#4C151A Color
#4C151A is rgb(76, 21, 26) in RGB, hsl(355, 57%, 19%) in HSL, and about cmyk(0%, 72%, 66%, 70%) in CMYK. It has no registered color name of its own — the closest is Dark Sienna (#3C1414), clearly related but distinguishable side by side at ΔE 7.57. White text is the more readable choice on this background.
#4C151Argb(76, 21, 26)hsl(355, 57%, 19%)hsv(355, 72%, 30%)cmyk(0%, 72%, 66%, 70%)oklch(28.8% 0.083 18.8)lab(16.54% 26.65 11.57)lch(16.54% 29.05 23.48)What #4C151A 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 #4C151A, 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.
#4C151A Channel Values
How #4C151A 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 76 · G 21 · B 26 | 8-bit channels as sent to the display |
| HSL | H 355° · S 57% · L 19% | Easiest model for building lighter and darker variants |
| HSV | H 355° · S 72% · V 30% | Matches the picker in most design tools |
| CMYK | C 0% · M 72% · Y 66% · K 70% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 14.69:1 vs white · 1.43:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4C151A 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 #4C151A in the contrast checker.
Colors That Go With #4C151A
Pairings derived from color-wheel relationships. The complementary color sits opposite #4C151A; 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 #4C151A
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 #4C151A.
How #4C151A 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.
#4C151A#25251A#38201A#2F2F17#3D2718#4C1616#4C1517#282828Using #4C151A in Code
Copy-ready declarations for the places this color usually ends up.
--color-4c151a: #4C151A;background-color: #4C151A;colors: { 'color-4c151a': '#4C151A' }Color(red: 0.298, green: 0.082, blue: 0.102)<color name="color_4c151a">#4C151A</color>fill="#4C151A"More Red Colors
#4C151A sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#4C151A Frequently Asked Questions
What color is #4C151A?
#4C151A is a darkest red — rgb(76, 21, 26) in RGB and hsl(355, 57%, 19%) in HSL. It carries no registered color name of its own; the closest named color is Dark Sienna (#3C1414), which is clearly related but distinguishable side by side at a CIE76 distance of 7.57.
What is the RGB value of #4C151A?
#4C151A is rgb(76, 21, 26) — red 76, green 21, and blue 26 on the 0-255 scale.
What is the CMYK value of #4C151A?
#4C151A converts to approximately cmyk(0%, 72%, 66%, 70%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4C151A be black or white?
White text is the more readable choice. #4C151A scores 14.69:1 against white and 1.43:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4C151A as a CSS color keyword?
No. #4C151A 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 black (#000000) at a CIE76 distance of 33.43, which is a different colour altogether.
Open #4C151A in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.