#818dcb Color Information

#818dcb 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 #818dcb. In RGB, it consists of 50.6% Red, 55.3% Green, and 79.6% Blue. Likewise, in the CMYK color space, it consists of 36.5% Cyan, 30.5% Magenta, 0% Yellow, and 20.4% Black. On the color wheel, its Hue is found at 230.3°, with saturation of 41.6% and lightness of 65.1%. The decimal value for #818dcb is 8490443, and its nearest "web safe" color is #9999cc. In the RGB color space, the strongest component for #818dcb 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#818dcb Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color129, 141, 203 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color50.6%, 55.3%, 79.6% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.494, 0.447, 0.204 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0.365, 0.305, 0, 0.204 Copy
  • HSLHue, Saturation, Lightness combination for this color230.3°, 41.6%, 65.1% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color230.3°, 36.5%, 79.6% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color29.358, 28.029, 60.363 Copy
  • RYBRed, Yellow, Blue composition for this color129, 139, 203 Copy
  • DecimalDecimal representation of this color's hex code8490443 Copy
  • CIE-LABCIELAB color space coordinates for this color59.915, 10.767, -33.411 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)59.915, 35.103, 287.861 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color59.915, -9.114, -53.340 Copy
  • Hunter LabHunter-Lab color space coordinates for this color52.942, 6.334, -30.541 Copy
  • xyYCIE xyY color space coordinates for this color0.249, 0.238, 28.029 Copy
  • AndroidValue of this color in Android development4286680523 / 0xff818dcb Copy
  • Web SafeHex code of the nearest "web safe" version of this color#9999cc Copy
Last Updated: June 9, 2025

Shades of #818dcb

Shades are created by adding black to or removing lightness from a particular color. For #818dcb, its pure hue is 230.3° on the color wheel and its saturation is 41.6%, and its lightness is 65.1%. 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 #818dcb, which — excluding black and our original color — range from #101219 to #717bb2.

Tints of #818dcb

Tints are created by adding white or lightness to a particular color. For #818dcb, its pure hue is 230.3° on the color wheel and its saturation is 41.6%, and its lightness is 65.1%. 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 #818dcb, which — excluding white and our original color — range from #919bd2 to #eff1f9.

Tones of #818dcb

Tones are the result of adding gray to a pure hue. In the case of #818dcb, its pure hue is 230.3° on the color wheel and its saturation is 41.6%, 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 #818dcb, which range from #a6a6a6 (the grayest / 0% saturation) to #4d6aff (the most colorful / 100% saturation).

Variations of #818dcb

There are several ways to create color variations and premutations of #818dcb! For #818dcb, 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, #818dcb. Click on these colors to learn more about them, too!

Color Coordinates of #818dcb

This color, #818dcb, consists of 50.6% Red, 55.3% Green, and 79.6% Blue, resulting in color coordinates Red = 129, Green = 141, Blue = 203. Likewise, the CMYK color space composition for #818dcb is 36.5% Cyan, 30.5% Magenta, 0% Yellow, and 20.4% Black. These values are shown in the following charts and tables.

R50.6%
C36.5%
G55.3%
M30.5%
B79.6%
Y0.0%
K20.4%
Color Base R (Red) G (Green) B (Blue)
Decimal 129 141 203
Octal 201 215 313
Hexa #81 #8d #cb
Binary 10000001 10001101 11001011
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 36 30 0 20
Octal 44 36 0 24
Hexa #24 #1e #00 #14
Binary 00100100 00011110 00000000 00010100

Analogous Colors of #818dcb

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #818dcb — which has hue 230.3° — its analogous colors are located at 200.3° and 260.3° on the color wheel, with the same saturation and lightness as #818dcb.

Triadic Colors of #818dcb

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 #818dcb — which has hue 230.3° — its triadic colors are located at 110.3° and 350.3° on the color wheel, with the same saturation and lightness as #818dcb.

Complementary Color of #818dcb

A complementary color is located opposite a color on the color wheel (180 degrees away). For #818dcb — which has hue 230.3° — its complementary color is located at 50.3° on the color wheel, with the same saturation and lightness as #818dcb.

Split Complementary Colors of #818dcb

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 #818dcb — which has hue 230.3° — its split complementary colors its split complementary colors are located at 20.3° and 230.3° on the color wheel, with the same saturation and lightness as #818dcb.

Tetradic Colors of #818dcb

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 #818dcb — which has hue 230.3° — its tetradic colors are located at 140.3°, 230.3°, 320.3°, and 50.3° on the color wheel, with the same saturation and lightness as #818dcb.

Monochromatic Colors of #818dcb

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #818dcb, we show 9 different monochromatic colors of it, ranging from #606893 — (which has very low saturation and very low lightness) — to #b7c0ee (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #818dcb

We want to make getting started with #818dcb on your website fast and easy! Below are 8 examples of how to integrate #818dcb into a website using HTML+CSS. These examples include showing how #818dcb 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 #818dcb with other HTML elements.

#818dcb Foreground / Text Color

The color of this text is #818dcb.
<span style="color: #818dcb;">The color of this text is #818dcb.</span>

#818dcb Background Color

The background color for this text is #818dcb.
<div style="background-color: #818dcb; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #818dcb.</div>

#818dcb Text Shadow Color

This color for the shadow of this text is #818dcb.
<span style="text-shadow: 3px 3px 3px #818dcb;">This color for the shadow of this text is #818dcb.</span>

#818dcb Border Color

This is a div with border color #818dcb.
<div style="border: #818dcb 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #818dcb.</div>

#818dcb Color Rectangle on a White Background

This is a rectangle of color #818dcb on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #818dcb; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #818dcb on a white background.</div></div>

#818dcb Color Rectangle on a Black Background

This is a rectangle of color #818dcb on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #818dcb; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #818dcb on a black background.</div></div>

Gradient from #818dcb to White

This is a gradient from #818dcb to white.
<div style="background: -webkit-linear-gradient(left,#818dcb,white); /* Firefox */ background: linear-gradient(to right,#818dcb,white); /* Safari */ background: -o-linear-gradient(left,#818dcb,white); /* Opera */ background: -moz-linear-gradient(left,#818dcb,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #818dcb to white.</div>

Gradient from #818dcb to Black

This is a gradient from #818dcb to black.
<div style="background: -webkit-linear-gradient(left,#818dcb,black); /* Firefox */ background: linear-gradient(to right,#818dcb,black); /* Safari */ background: -o-linear-gradient(left,#818dcb,black); /* Opera */ background: -moz-linear-gradient(left,#818dcb,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #818dcb to black.</div>

Coding & Programming with #818dcb

In addition to using #818dcb 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 #818dcb in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #818dcb, or the RGB color coordinates for the same (Red = 129, Green = 141, Blue = 203). If you need details about the color coordinates of #818dcb 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 #818dcb
HTML + CSS (RGB Code) Web rgb(129, 141, 203)
CSS Background Color Web .myclass { background-color: #818dcb; }
CSS Foreground + Text Color Web .myclass { color: #818dcb; }
CSS Border Color Web .myclass { border: 2px solid #818dcb; }
Java (Multi-platform) new Color(129, 141, 203);
Python (Multi-platform) Color("#818dcb")
Swift iOS UIColor(red:129, green:141, blue:203, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:129 green:141 blue:203 alpha:1.0000];
OpenGL (Graphics) glColor3f(129f, 141f, 203f);
C# / .NET Windows Color.FromArgb(129, 141, 203);
 

#818dcb Color Blindness

Not everyone can see #818dcb the same way. For those with color blindness, #818dcb might look very, very different. Here, we simulate eight examples of color blindness, and how #818dcb looks next to each one of them. In all cases, #818dcb 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 #818dcb 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 #818dcb 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 #818dcb 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 3.2:1 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 #818dcb would and would not be an accessible foreground color are summarized below.

WCAG AA
Normal Size Text

WCAG AA
Large Size Text

WCAG AAA
Normal Size Text

WCAG AAA
Large Size Text