Skip to content

#CB102C Color

#CB102C is rgb(203, 16, 44) in RGB, hsl(351, 85%, 43%) in HSL, and about cmyk(0%, 92%, 78%, 20%) in CMYK. It has no registered color name of its own — the closest is Stop Red (#CF142B), below the threshold most people can see at ΔE 2.23. White text is the more readable choice on this background.

#CB102C
HEX#CB102C
RGBrgb(203, 16, 44)
HSLhsl(351, 85%, 43%)
HSVhsv(351, 92%, 80%)
CMYKcmyk(0%, 92%, 78%, 20%)
OKLCHoklch(53.6% 0.21 23.1)
LABlab(43.96% 67.04 39.57)
LCHlch(43.96% 77.84 30.55)

What #CB102C Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #CB102C, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every red in the library.

#CB102C Channel Values

How #CB102C breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 203 · G 16 · B 448-bit channels as sent to the display
HSLH 351° · S 85% · L 43%Easiest model for building lighter and darker variants
HSVH 351° · S 92% · V 80%Matches the picker in most design tools
CMYKC 0% · M 92% · Y 78% · K 20%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.75:1 vs white · 3.65:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #CB102C background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text5.75:1AA normal AA large AAA normal
Fails AABlack text3.65:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #CB102C in the contrast checker.

Colors That Go With #CB102C

Pairings derived from color-wheel relationships. The complementary color sits opposite #CB102C; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #CB102C

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #CB102C.

How #CB102C Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#CB102C
Protanopia#5C5C29
Protanomaly#95492A
Deuteranopia#7C7C17
Deuteranomaly#A26221
Tritanopia#CB1515
Tritanomaly#CB1320
Achromatopsia#666666

Test a full palette in the color blindness simulator.

Using #CB102C in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-cb102c: #CB102C;
CSS backgroundbackground-color: #CB102C;
Tailwind configcolors: { 'color-cb102c': '#CB102C' }
SwiftUIColor(red: 0.796, green: 0.063, blue: 0.173)
Android XML<color name="color_cb102c">#CB102C</color>
SVG fillfill="#CB102C"

More Red Colors

#CB102C sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#CB102C Frequently Asked Questions

What color is #CB102C?

#CB102C is a mid-tone red — rgb(203, 16, 44) in RGB and hsl(351, 85%, 43%) in HSL. It carries no registered color name of its own; the closest named color is Stop Red (#CF142B), which is below the threshold most people can see at a CIE76 distance of 2.23.

What is the RGB value of #CB102C?

#CB102C is rgb(203, 16, 44) — red 203, green 16, and blue 44 on the 0-255 scale.

What is the CMYK value of #CB102C?

#CB102C converts to approximately cmyk(0%, 92%, 78%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #CB102C be black or white?

White text is the more readable choice. #CB102C scores 5.75:1 against white and 3.65:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #CB102C as a CSS color keyword?

No. #CB102C is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is crimson (#DC143C) at a CIE76 distance of 7.07, which is clearly related but distinguishable side by side.

Open #CB102C in a Tool

Keep exploring: every red in the color library, the guide to shades of red, or the full color library.