#B5420D Color
#B5420D is rgb(181, 66, 13) in RGB, hsl(19, 87%, 38%) in HSL, and about cmyk(0%, 64%, 93%, 29%) in CMYK. It has no registered color name of its own — the closest is Rust (#B7410E), below the threshold most people can see at ΔE 1.17. White text is the more readable choice on this background.
#B5420Drgb(181, 66, 13)hsl(19, 87%, 38%)hsv(19, 93%, 71%)cmyk(0%, 64%, 93%, 29%)oklch(53.3% 0.16 40.3)lab(44.53% 46.01 52.26)lch(44.53% 69.62 48.64)What #B5420D 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 #B5420D, 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 brown in the library.
#B5420D Channel Values
How #B5420D 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 181 · G 66 · B 13 | 8-bit channels as sent to the display |
| HSL | H 19° · S 87% · L 38% | Easiest model for building lighter and darker variants |
| HSV | H 19° · S 93% · V 71% | Matches the picker in most design tools |
| CMYK | C 0% · M 64% · Y 93% · K 29% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.6:1 vs white · 3.75:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #B5420D 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 #B5420D in the contrast checker.
Colors That Go With #B5420D
Pairings derived from color-wheel relationships. The complementary color sits opposite #B5420D; 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 #B5420D
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 #B5420D.
How #B5420D 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.
#B5420D#636307#8B570A#787800#956700#B63E3E#B64031#686868Using #B5420D in Code
Copy-ready declarations for the places this color usually ends up.
--color-b5420d: #B5420D;background-color: #B5420D;colors: { 'color-b5420d': '#B5420D' }Color(red: 0.710, green: 0.259, blue: 0.051)<color name="color_b5420d">#B5420D</color>fill="#B5420D"More Brown Colors
#B5420D sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#B5420D Frequently Asked Questions
What color is #B5420D?
#B5420D is a dark brown — rgb(181, 66, 13) in RGB and hsl(19, 87%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Rust (#B7410E), which is below the threshold most people can see at a CIE76 distance of 1.17.
What is the RGB value of #B5420D?
#B5420D is rgb(181, 66, 13) — red 181, green 66, and blue 13 on the 0-255 scale.
What is the CMYK value of #B5420D?
#B5420D converts to approximately cmyk(0%, 64%, 93%, 29%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #B5420D be black or white?
White text is the more readable choice. #B5420D scores 5.6:1 against white and 3.75:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #B5420D as a CSS color keyword?
No. #B5420D 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 chocolate (#D2691E) at a CIE76 distance of 14.84, which is visibly different.
Open #B5420D in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.