#cb121b Color Information

#cb121b 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 #cb121b. In RGB, it consists of 79.6% Red, 7.1% Green, and 10.6% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 91.1% Magenta, 86.7% Yellow, and 20.4% Black. On the color wheel, its Hue is found at 357.1°, with saturation of 83.7% and lightness of 43.3%. The decimal value for #cb121b is 13308443, and its nearest "web safe" color is #cc0033. In the RGB color space, the strongest component for #cb121b is red. In the CMYK color space, its strongest component is magenta. And in the RYB color space, its strongest component is red.
  • HexHex code for this color#cb121b Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color203, 18, 27 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color79.6%, 7.1%, 10.6% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.204, 0.929, 0.894 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0.911, 0.867, 0.204 Copy
  • HSLHue, Saturation, Lightness combination for this color357.1°, 83.7%, 43.3% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color357.1°, 91.1%, 79.6% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color25.043, 13.208, 2.267 Copy
  • RYBRed, Yellow, Blue composition for this color203, 18, 27 Copy
  • DecimalDecimal representation of this color's hex code13308443 Copy
  • CIE-LABCIELAB color space coordinates for this color43.075, 65.906, 46.837 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)43.075, 80.854, 35.400 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color43.075, 133.135, 27.207 Copy
  • Hunter LabHunter-Lab color space coordinates for this color36.343, 59.397, 21.743 Copy
  • xyYCIE xyY color space coordinates for this color0.618, 0.326, 13.208 Copy
  • AndroidValue of this color in Android development4291498523 / 0xffcb121b Copy
  • Web SafeHex code of the nearest "web safe" version of this color#cc0033 Copy
Last Updated: May 22, 2025

Shades of #cb121b

Shades are created by adding black to or removing lightness from a particular color. For #cb121b, its pure hue is 357.1° on the color wheel and its saturation is 83.7%, and its lightness is 43.3%. 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 #cb121b, which — excluding black and our original color — range from #190203 to #b21018.

Tints of #cb121b

Tints are created by adding white or lightness to a particular color. For #cb121b, its pure hue is 357.1° on the color wheel and its saturation is 83.7%, and its lightness is 43.3%. 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 #cb121b, which — excluding white and our original color — range from #d23038 to #f9e1e3.

Tones of #cb121b

Tones are the result of adding gray to a pure hue. In the case of #cb121b, its pure hue is 357.1° on the color wheel and its saturation is 83.7%, 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 #cb121b, which range from #6f6f6f (the grayest / 0% saturation) to #dd000b (the most colorful / 100% saturation).

Variations of #cb121b

There are several ways to create color variations and premutations of #cb121b! For #cb121b, 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, #cb121b. Click on these colors to learn more about them, too!

Color Coordinates of #cb121b

This color, #cb121b, consists of 79.6% Red, 7.1% Green, and 10.6% Blue, resulting in color coordinates Red = 203, Green = 18, Blue = 27. Likewise, the CMYK color space composition for #cb121b is 0% Cyan, 91.1% Magenta, 86.7% Yellow, and 20.4% Black. These values are shown in the following charts and tables.

R79.6%
C0.0%
G7.1%
M91.1%
B10.6%
Y86.7%
K20.4%
Color Base R (Red) G (Green) B (Blue)
Decimal 203 18 27
Octal 313 22 33
Hexa #cb #12 #1b
Binary 11001011 00010010 00011011
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 91 86 20
Octal 0 133 126 24
Hexa #00 #5b #56 #14
Binary 00000000 01011011 01010110 00010100

Analogous Colors of #cb121b

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #cb121b — which has hue 357.1° — its analogous colors are located at 27.1° and 357.1° on the color wheel, with the same saturation and lightness as #cb121b.

Triadic Colors of #cb121b

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 #cb121b — which has hue 357.1° — its triadic colors are located at 117.1° and 357.1° on the color wheel, with the same saturation and lightness as #cb121b.

Complementary Color of #cb121b

A complementary color is located opposite a color on the color wheel (180 degrees away). For #cb121b — which has hue 357.1° — its complementary color is located at 177.1° on the color wheel, with the same saturation and lightness as #cb121b.

Split Complementary Colors of #cb121b

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 #cb121b — which has hue 357.1° — its split complementary colors its split complementary colors are located at 147.1° and 357.1° on the color wheel, with the same saturation and lightness as #cb121b.

Tetradic Colors of #cb121b

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 #cb121b — which has hue 357.1° — its tetradic colors are located at 267.1°, 357.1°, 87.1°, and 177.1° on the color wheel, with the same saturation and lightness as #cb121b.

Monochromatic Colors of #cb121b

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #cb121b, we show 9 different monochromatic colors of it, ranging from #610e12 — (which has very low saturation and very low lightness) — to #f8545c (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #cb121b

We want to make getting started with #cb121b on your website fast and easy! Below are 8 examples of how to integrate #cb121b into a website using HTML+CSS. These examples include showing how #cb121b 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 #cb121b with other HTML elements.

#cb121b Foreground / Text Color

The color of this text is #cb121b.
<span style="color: #cb121b;">The color of this text is #cb121b.</span>

#cb121b Background Color

The background color for this text is #cb121b.
<div style="background-color: #cb121b; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #cb121b.</div>

#cb121b Text Shadow Color

This color for the shadow of this text is #cb121b.
<span style="text-shadow: 3px 3px 3px #cb121b;">This color for the shadow of this text is #cb121b.</span>

#cb121b Border Color

This is a div with border color #cb121b.
<div style="border: #cb121b 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #cb121b.</div>

#cb121b Color Rectangle on a White Background

This is a rectangle of color #cb121b on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #cb121b; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #cb121b on a white background.</div></div>

#cb121b Color Rectangle on a Black Background

This is a rectangle of color #cb121b on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #cb121b; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #cb121b on a black background.</div></div>

Gradient from #cb121b to White

This is a gradient from #cb121b to white.
<div style="background: -webkit-linear-gradient(left,#cb121b,white); /* Firefox */ background: linear-gradient(to right,#cb121b,white); /* Safari */ background: -o-linear-gradient(left,#cb121b,white); /* Opera */ background: -moz-linear-gradient(left,#cb121b,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #cb121b to white.</div>

Gradient from #cb121b to Black

This is a gradient from #cb121b to black.
<div style="background: -webkit-linear-gradient(left,#cb121b,black); /* Firefox */ background: linear-gradient(to right,#cb121b,black); /* Safari */ background: -o-linear-gradient(left,#cb121b,black); /* Opera */ background: -moz-linear-gradient(left,#cb121b,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #cb121b to black.</div>

Coding & Programming with #cb121b

In addition to using #cb121b 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 #cb121b in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #cb121b, or the RGB color coordinates for the same (Red = 203, Green = 18, Blue = 27). If you need details about the color coordinates of #cb121b 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 #cb121b
HTML + CSS (RGB Code) Web rgb(203, 18, 27)
CSS Background Color Web .myclass { background-color: #cb121b; }
CSS Foreground + Text Color Web .myclass { color: #cb121b; }
CSS Border Color Web .myclass { border: 2px solid #cb121b; }
Java (Multi-platform) new Color(203, 18, 27);
Python (Multi-platform) Color("#cb121b")
Swift iOS UIColor(red:203, green:18, blue:27, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:203 green:18 blue:27 alpha:1.0000];
OpenGL (Graphics) glColor3f(203f, 18f, 27f);
C# / .NET Windows Color.FromArgb(203, 18, 27);
 

#cb121b Color Blindness

Not everyone can see #cb121b the same way. For those with color blindness, #cb121b might look very, very different. Here, we simulate eight examples of color blindness, and how #cb121b looks next to each one of them. In all cases, #cb121b 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 #cb121b 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 #cb121b 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 #cb121b 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 5.8:1 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 #cb121b 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