#66b2e4 Color Information

#66b2e4 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 #66b2e4, and its official name is Sanctuary Spa. In RGB, it consists of 40.0% Red, 69.8% Green, and 89.4% Blue. Likewise, in the CMYK color space, it consists of 55.3% Cyan, 21.9% Magenta, 0% Yellow, and 10.6% Black. On the color wheel, its Hue is found at 203.8°, with saturation of 70% and lightness of 64.7%. The decimal value for #66b2e4 is 6730468, and its nearest "web safe" color is #6699cc. In the RGB color space, the strongest component for #66b2e4 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#66b2e4 Copy
  • NameThe common name of this colorSanctuary Spa Copy
  • RGBRed, Green, Blue composition for this color102, 178, 228 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color40.0%, 69.8%, 89.4% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.600, 0.302, 0.106 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.553, 0.219, 0, 0.106 Copy
  • HSLHue, Saturation, Lightness combination for this color203.8°, 70.0%, 64.7% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color203.8°, 55.3%, 89.4% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color35.404, 40.267, 79.305 Copy
  • RYBRed, Yellow, Blue composition for this color102, 149, 228 Copy
  • DecimalDecimal representation of this color's hex code6730468 Copy
  • CIE-LABCIELAB color space coordinates for this color69.659, -9.467, -32.258 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)69.659, 33.619, 253.645 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color69.659, -32.984, -50.040 Copy
  • Hunter LabHunter-Lab color space coordinates for this color63.456, -11.460, -29.679 Copy
  • xyYCIE xyY color space coordinates for this color0.228, 0.260, 40.267 Copy
  • AndroidValue of this color in Android development4284920548 / 0xff66b2e4 Copy
  • Web SafeHex code of the nearest "web safe" version of this color#6699cc Copy
Last Updated: May 21, 2024

Shades of #66b2e4

Shades are created by adding black to or removing lightness from a particular color. For #66b2e4, its pure hue is 203.8° on the color wheel and its saturation is 70.0%, and its lightness is 64.7%. 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 #66b2e4, which — excluding black and our original color — range from #0d161d to #599cc8.

Tints of #66b2e4

Tints are created by adding white or lightness to a particular color. For #66b2e4, its pure hue is 203.8° on the color wheel and its saturation is 70.0%, and its lightness is 64.7%. 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 #66b2e4, which — excluding white and our original color — range from #79bce7 to #ecf5fc.

Tones of #66b2e4

Tones are the result of adding gray to a pure hue. In the case of #66b2e4, its pure hue is 203.8° on the color wheel and its saturation is 70.0%, 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 #66b2e4, which range from #a5a5a5 (the grayest / 0% saturation) to #4bb8ff (the most colorful / 100% saturation).

Variations of #66b2e4

There are several ways to create color variations and premutations of #66b2e4! For #66b2e4, 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, #66b2e4. Click on these colors to learn more about them, too!

Color Coordinates of #66b2e4

This color, #66b2e4, consists of 40.0% Red, 69.8% Green, and 89.4% Blue, resulting in color coordinates Red = 102, Green = 178, Blue = 228. Likewise, the CMYK color space composition for #66b2e4 is 55.3% Cyan, 21.9% Magenta, 0% Yellow, and 10.6% Black. These values are shown in the following charts and tables.

R40.0%
C55.3%
G69.8%
M21.9%
B89.4%
Y0.0%
K10.6%
Color Base R (Red) G (Green) B (Blue)
Decimal 102 178 228
Octal 146 262 344
Hexa #66 #b2 #e4
Binary 01100110 10110010 11100100
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 55 21 0 10
Octal 67 25 0 12
Hexa #37 #15 #00 #0a
Binary 00110111 00010101 00000000 00001010

Analogous Colors of #66b2e4

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #66b2e4 — which has hue 203.8° — its analogous colors are located at 173.8° and 233.8° on the color wheel, with the same saturation and lightness as #66b2e4.

Triadic Colors of #66b2e4

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 #66b2e4 — which has hue 203.8° — its triadic colors are located at 83.8° and 323.8° on the color wheel, with the same saturation and lightness as #66b2e4.

Complementary Color of #66b2e4

A complementary color is located opposite a color on the color wheel (180 degrees away). For #66b2e4 — which has hue 203.8° — its complementary color is located at 23.8° on the color wheel, with the same saturation and lightness as #66b2e4.

Split Complementary Colors of #66b2e4

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 #66b2e4 — which has hue 203.8° — its split complementary colors its split complementary colors are located at 53.8° and 353.8° on the color wheel, with the same saturation and lightness as #66b2e4.

Tetradic Colors of #66b2e4

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 #66b2e4 — which has hue 203.8° — its tetradic colors are located at 113.8°, 203.8°, 293.8°, and 23.8° on the color wheel, with the same saturation and lightness as #66b2e4.

Monochromatic Colors of #66b2e4

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #66b2e4, we show 9 different monochromatic colors of it, ranging from #3686ba — (which has very low saturation and very low lightness) — to #acdaf8 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #66b2e4

We want to make getting started with #66b2e4 on your website fast and easy! Below are 8 examples of how to integrate #66b2e4 into a website using HTML+CSS. These examples include showing how #66b2e4 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 #66b2e4 with other HTML elements.

#66b2e4 Foreground / Text Color

The color of this text is #66b2e4.
<span style="color: #66b2e4;">The color of this text is #66b2e4.</span>

#66b2e4 Background Color

The background color for this text is #66b2e4.
<div style="background-color: #66b2e4; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #66b2e4.</div>

#66b2e4 Text Shadow Color

This color for the shadow of this text is #66b2e4.
<span style="text-shadow: 3px 3px 3px #66b2e4;">This color for the shadow of this text is #66b2e4.</span>

#66b2e4 Border Color

This is a div with border color #66b2e4.
<div style="border: #66b2e4 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #66b2e4.</div>

#66b2e4 Color Rectangle on a White Background

This is a rectangle of color #66b2e4 on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #66b2e4; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #66b2e4 on a white background.</div></div>

#66b2e4 Color Rectangle on a Black Background

This is a rectangle of color #66b2e4 on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #66b2e4; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #66b2e4 on a black background.</div></div>

Gradient from #66b2e4 to White

This is a gradient from #66b2e4 to white.
<div style="background: -webkit-linear-gradient(left,#66b2e4,white); /* Firefox */ background: linear-gradient(to right,#66b2e4,white); /* Safari */ background: -o-linear-gradient(left,#66b2e4,white); /* Opera */ background: -moz-linear-gradient(left,#66b2e4,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #66b2e4 to white.</div>

Gradient from #66b2e4 to Black

This is a gradient from #66b2e4 to black.
<div style="background: -webkit-linear-gradient(left,#66b2e4,black); /* Firefox */ background: linear-gradient(to right,#66b2e4,black); /* Safari */ background: -o-linear-gradient(left,#66b2e4,black); /* Opera */ background: -moz-linear-gradient(left,#66b2e4,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #66b2e4 to black.</div>

Coding & Programming with #66b2e4

In addition to using #66b2e4 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 #66b2e4 in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #66b2e4, or the RGB color coordinates for the same (Red = 102, Green = 178, Blue = 228). If you need details about the color coordinates of #66b2e4 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 #66b2e4
HTML + CSS (RGB Code) Web rgb(102, 178, 228)
CSS Background Color Web .myclass { background-color: #66b2e4; }
CSS Foreground + Text Color Web .myclass { color: #66b2e4; }
CSS Border Color Web .myclass { border: 2px solid #66b2e4; }
Java (Multi-platform) new Color(102, 178, 228);
Python (Multi-platform) Color("#66b2e4")
Swift iOS UIColor(red:102, green:178, blue:228, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:102 green:178 blue:228 alpha:1.0000];
OpenGL (Graphics) glColor3f(102f, 178f, 228f);
C# / .NET Windows Color.FromArgb(102, 178, 228);
 

#66b2e4 Color Blindness

Not everyone can see #66b2e4 the same way. For those with color blindness, #66b2e4 might look very, very different. Here, we simulate eight examples of color blindness, and how #66b2e4 looks next to each one of them. In all cases, #66b2e4 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 #66b2e4 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 #66b2e4 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

Monochromacy

Achromatopsia
Affects 1 in 20,000

Achromatopsia
Affects 1 in 100,000

Accessibility

Not Accessibility Recommended

We analyzed whether #66b2e4 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 2.3:1 against white. Under both the AA and AAA level standards, this is not a high enough ratio to be considered accessible for either normal size or large text.

WCAG AA
Normal Size Text

WCAG AA
Large Size Text

WCAG AAA
Normal Size Text

WCAG AAA
Large Size Text