Shades are created by adding black to or removing lightness from a particular color. For #666ccf, its pure hue is 236.6° on the color wheel and its saturation is 52.2%, and its lightness is 60.6%. As the amount of black is added to this hue and we reduce its lightness, the result is increasingly darker shades tints. The palette given below provides 9 different shades of #666ccf, which — excluding black and our original color — range from #0d0e1a to #595fb5.
#666ccf Color Information
Details | Shades, Tints, and Tones | Variations | Color Coordinates |
Color Schemes | HTML+CSS Examples | Coding & Programming | Color Blindness |
Accessibility | Related Colors
The hexadecimal value (hex value) of this color is #666ccf. In RGB, it consists of 40.0% Red, 42.4% Green, and 81.2% Blue. Likewise, in the CMYK color space, it consists of 50.7% Cyan, 47.8% Magenta, 0% Yellow, and 18.8% Black. On the color wheel, its Hue is found at 236.6°, with saturation of 52.2% and lightness of 60.6%. The decimal value for #666ccf is 6712527, and its nearest "web safe" color is #6666cc. In the RGB color space, the strongest component for #666ccf is blue. In the CMYK color space, its strongest component is cyan. And in the RYB color space, its strongest component is blue.
The hexadecimal value (hex value) of this color is #666ccf. In RGB, it consists of 40.0% Red, 42.4% Green, and 81.2% Blue. Likewise, in the CMYK color space, it consists of 50.7% Cyan, 47.8% Magenta, 0% Yellow, and 18.8% Black. On the color wheel, its Hue is found at 236.6°, with saturation of 52.2% and lightness of 60.6%. The decimal value for #666ccf is 6712527, and its nearest "web safe" color is #6666cc. In the RGB color space, the strongest component for #666ccf is blue. In the CMYK color space, its strongest component is cyan. And in the RYB color space, its strongest component is blue.
- HexHex code for this color
- NameThe common name of this color
- RGBRed, Green, Blue composition for this color
- RGB PercentPercent Red, Green, Blue composition for this color
- CMYCyan, Magenta, Yellow composition for this color
- CMYKCyan, Magenta, Yellow, Black composition for this color
- HSLHue, Saturation, Lightness combination for this color
- HSV (or HSB)Hue, Saturation, Brightness combination for this color
- XYZCIE 1931 color space XYZ coordinates for this color
- RYBRed, Yellow, Blue composition for this color
- DecimalDecimal representation of this color's hex code
- CIE-LABCIELAB color space coordinates for this color
- CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)
- CIE-LUVCIE-LUV color space coordinates for this color
- Hunter LabHunter-Lab color space coordinates for this color
- xyYCIE xyY color space coordinates for this color
- AndroidValue of this color in Android development
- Web SafeHex code of the nearest "web safe" version of this color
Last Updated: June 8, 2025
Tints of #666ccf
Tints are created by adding white or lightness to a particular color. For #666ccf, its pure hue is 236.6° on the color wheel and its saturation is 52.2%, and its lightness is 60.6%. As the amount of white (lightness) is added to this hue, the result is increasingly lighter tints. The following palette gives 9 different tints of #666ccf, which — excluding white and our original color — range from #797ed5 to #ecedf9.
Tones of #666ccf
Tones are the result of adding gray to a pure hue. In the case of #666ccf, its pure hue is 236.6° on the color wheel and its saturation is 52.2%, so we increase this saturation to create more colorful tones, and decrease the saturation to create grayer tones. The palette shown below gives 9 different tones of #666ccf, which range from #9b9b9b (the grayest / 0% saturation) to #3641ff (the most colorful / 100% saturation).
Variations of #666ccf
There are several ways to create color variations and premutations of #666ccf! For #666ccf, there are 6 variations of the color that can be created by swapping its Red, Green, and Blue color positions, of which 5 are different from our original color. Among these six variations, there are 6 unique colors including our original color, #666ccf. Click on these colors to learn more about them, too!
Color Coordinates of #666ccf
This color, #666ccf, consists of 40.0% Red, 42.4% Green, and 81.2% Blue, resulting in color coordinates Red = 102, Green = 108, Blue = 207. Likewise, the CMYK color space composition for #666ccf is 50.7% Cyan, 47.8% Magenta, 0% Yellow, and 18.8% Black. These values are shown in the following charts and tables.
R40.0%
C50.7%
G42.4%
M47.8%
B81.2%
Y0.0%
K18.8%
| Color Base | R (Red) | G (Green) | B (Blue) |
|---|---|---|---|
| Decimal | 102 | 108 | 207 |
| Octal | 146 | 154 | 317 |
| Hexa | #66 | #6c | #cf |
| Binary | 01100110 | 01101100 | 11001111 |
| Color Base | C (Cyan) | M (Magenta) | Y (Yellow) | Y (Black) |
|---|---|---|---|---|
| Decimal | 50 | 47 | 0 | 18 |
| Octal | 62 | 57 | 0 | 22 |
| Hexa | #32 | #2f | #00 | #12 |
| Binary | 00110010 | 00101111 | 00000000 | 00010010 |
Analogous Colors of #666ccf
Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #666ccf — which has hue 236.6° — its analogous colors are located at 206.6° and 266.6° on the color wheel, with the same saturation and lightness as #666ccf.
Triadic Colors of #666ccf
Triadic colors are located 120 degrees away from a color's hue on the color wheel, which means the original color and its triadic colors are equidistant from one another on the color wheel and form a triangle. For #666ccf — which has hue 236.6° — its triadic colors are located at 116.6° and 356.6° on the color wheel, with the same saturation and lightness as #666ccf.
Complementary Color of #666ccf
A complementary color is located opposite a color on the color wheel (180 degrees away). For #666ccf — which has hue 236.6° — its complementary color is located at 56.6° on the color wheel, with the same saturation and lightness as #666ccf.
Split Complementary Colors of #666ccf
Split complementary colors are the analogs of a color's complement, which places them 210 degrees away on the color wheel from an original color. For #666ccf — which has hue 236.6° — its split complementary colors its split complementary colors are located at 26.6° and 236.6° on the color wheel, with the same saturation and lightness as #666ccf.
Tetradic Colors of #666ccf
Tetradic colors are two sets of complementary colors on either side of a color wheel from each other, forming a rectangle on the color wheel. For #666ccf — which has hue 236.6° — its tetradic colors are located at 146.6°, 236.6°, 326.6°, and 56.6° on the color wheel, with the same saturation and lightness as #666ccf.
Monochromatic Colors of #666ccf
Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #666ccf, we show 9 different monochromatic colors of it, ranging from #4b4e86 — (which has very low saturation and very low lightness) — to #a7abf3 (which has a very high saturation and very high lightness).
HTML+CSS Examples & Previews of #666ccf
We want to make getting started with #666ccf on your website fast and easy! Below are 8 examples of how to integrate #666ccf into a website using HTML+CSS. These examples include showing how #666ccf can be used to color text, backgrounds, shadows, and borders, as well as how it can be used as a solid fill or gradient fill for rectangles. These examples principally make use of <span> and <div> tags, although the CSS shown in particular can be repurposed to make use of #666ccf with other HTML elements.
#666ccf Foreground / Text Color
The color of this text is #666ccf.
<span style="color: #666ccf;">The color of this text is #666ccf.</span>#666ccf Background Color
The background color for this text is #666ccf.
<div style="background-color: #666ccf; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #666ccf.</div>#666ccf Text Shadow Color
This color for the shadow of this text is #666ccf.
<span style="text-shadow: 3px 3px 3px #666ccf;">This color for the shadow of this text is #666ccf.</span>#666ccf Border Color
This is a div with border color #666ccf.
<div style="border: #666ccf 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #666ccf.</div>#666ccf Color Rectangle on a White Background
This is a rectangle of color #666ccf on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #666ccf; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #666ccf on a white background.</div></div>#666ccf Color Rectangle on a Black Background
This is a rectangle of color #666ccf on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #666ccf; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #666ccf on a black background.</div></div>Gradient from #666ccf to White
This is a gradient from #666ccf to white.
<div style="background: -webkit-linear-gradient(left,#666ccf,white); /* Firefox */ background: linear-gradient(to right,#666ccf,white); /* Safari */ background: -o-linear-gradient(left,#666ccf,white); /* Opera */ background: -moz-linear-gradient(left,#666ccf,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #666ccf to white.</div>Gradient from #666ccf to Black
This is a gradient from #666ccf to black.
<div style="background: -webkit-linear-gradient(left,#666ccf,black); /* Firefox */ background: linear-gradient(to right,#666ccf,black); /* Safari */ background: -o-linear-gradient(left,#666ccf,black); /* Opera */ background: -moz-linear-gradient(left,#666ccf,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #666ccf to black.</div>Coding & Programming with #666ccf
In addition to using #666ccf on the web, we know you might want to use it in your mobile and desktop apps, too. Whatever your needs, the table below shows how to access #666ccf in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #666ccf, or the RGB color coordinates for the same (Red = 102, Green = 108, Blue = 207). If you need details about the color coordinates of #666ccf in other color spaces, refer to these details as provided toward the top of this page.
| Language | Environment | Code Snippet |
|---|---|---|
| HTML + CSS (Hex Code) | Web | #666ccf |
| HTML + CSS (RGB Code) | Web | rgb(102, 108, 207) |
| CSS Background Color | Web | .myclass { background-color: #666ccf; } |
| CSS Foreground + Text Color | Web | .myclass { color: #666ccf; } |
| CSS Border Color | Web | .myclass { border: 2px solid #666ccf; } |
| Java | (Multi-platform) | new Color(102, 108, 207); |
| Python | (Multi-platform) | Color("#666ccf") |
| Swift | iOS | UIColor(red:102, green:108, blue:207, alpha:1.0000) |
| Objective-C (iOS) | iOS | [UIColor colorWithRed:102 green:108 blue:207 alpha:1.0000]; |
| OpenGL | (Graphics) | glColor3f(102f, 108f, 207f); |
| C# / .NET | Windows | Color.FromArgb(102, 108, 207); |
#666ccf Color Blindness
Not everyone can see #666ccf the same way. For those with color blindness, #666ccf might look very, very different. Here, we simulate eight examples of color blindness, and how #666ccf looks next to each one of them. In all cases, #666ccf is placed in a circle in the upper-left corner of each of the below boxes, with the color in the rest of those boxes signifying how #666ccf looks for someone with that type of color blindness. Many people will perceive close similarities between the colors in these boxes and the colors in the circles — with some noticing particular similarities. We offer this insight so that as you make choices about colors to use for your purposes, you can make an informed decision about whether #666ccf will be a good fit for everyone in your audience!
Trichromacy
Protanomaly
Affects 1 in 100 Men & 1 in 10,000 Women
Deuteranomaly
Affects 1 in 17 Men & 1 in 250 Women
Tritanomaly
Affects 1 in 10,000
Dichromacy
Protanopia
Affects 1 in 100, Mostly Men
Deuteranopia
Affects 1 in 100, Mostly Men
Tritanopia
Affects 1 in 100,000
Accessibility
Not Accessibility Recommended
We analyzed whether #666ccf is an accessible color when used as a text / foreground color against a white background. This analysis is based on the Web Content Accessibility Guidelines (WCAG) 2 Level issued by W3C. Based on this analysis, we calculate a contrast ratio against white of approximately 4.6:1 against white. While there are some situations where this contrast is high enough to be considered accessible under the AA or AAA level standards, it is not high enough to be considered accessible in all cases. Details about the specific circumstances where #666ccf would and would not be an accessible foreground color are summarized below.