#C91D42 Color
#C91D42 is rgb(201, 29, 66) in RGB, hsl(347, 75%, 45%) in HSL, and about cmyk(0%, 86%, 67%, 21%) in CMYK. It has no registered color name of its own — the closest is Cardinal (#C41E3A), very hard to tell apart at ΔE 3.97. White text is the more readable choice on this background.
#C91D42rgb(201, 29, 66)hsl(347, 75%, 45%)hsv(347, 86%, 79%)cmyk(0%, 86%, 67%, 21%)oklch(54.1% 0.202 17.1)lab(44.53% 65.09 26.74)lch(44.53% 70.36 22.33)What #C91D42 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 #C91D42, 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.
#C91D42 Channel Values
How #C91D42 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 201 · G 29 · B 66 | 8-bit channels as sent to the display |
| HSL | H 347° · S 75% · L 45% | Easiest model for building lighter and darker variants |
| HSV | H 347° · S 86% · V 79% | Matches the picker in most design tools |
| CMYK | C 0% · M 86% · Y 67% · K 21% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.62:1 vs white · 3.74:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #C91D42 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.
Need a specific ratio against another background? Open #C91D42 in the contrast checker.
Colors That Go With #C91D42
Pairings derived from color-wheel relationships. The complementary color sits opposite #C91D42; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #C91D42
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #C91D42.
How #C91D42 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.
#C91D42#5D5D40#954B41#7C7C37#A1633C#C82424#C92132#676767Using #C91D42 in Code
Copy-ready declarations for the places this color usually ends up.
--color-c91d42: #C91D42;background-color: #C91D42;colors: { 'color-c91d42': '#C91D42' }Color(red: 0.788, green: 0.114, blue: 0.259)<color name="color_c91d42">#C91D42</color>fill="#C91D42"More Red Colors
#C91D42 sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#C91D42 Frequently Asked Questions
What color is #C91D42?
#C91D42 is a mid-tone red — rgb(201, 29, 66) in RGB and hsl(347, 75%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Cardinal (#C41E3A), which is very hard to tell apart at a CIE76 distance of 3.97.
What is the RGB value of #C91D42?
#C91D42 is rgb(201, 29, 66) — red 201, green 29, and blue 66 on the 0-255 scale.
What is the CMYK value of #C91D42?
#C91D42 converts to approximately cmyk(0%, 86%, 67%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #C91D42 be black or white?
White text is the more readable choice. #C91D42 scores 5.62:1 against white and 3.74:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #C91D42 as a CSS color keyword?
No. #C91D42 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 11.22, which is visibly different.
Open #C91D42 in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.