#643E0C Color
#643E0C is rgb(100, 62, 12) in RGB, hsl(34, 79%, 22%) in HSL, and about cmyk(0%, 38%, 88%, 61%) in CMYK. It has no registered color name of its own — the closest is Pullman Brown(ups Brown) (#644117), very hard to tell apart at ΔE 4.5. White text is the more readable choice on this background.
#643E0Crgb(100, 62, 12)hsl(34, 79%, 22%)hsv(34, 88%, 39%)cmyk(0%, 38%, 88%, 61%)oklch(40% 0.081 67.6)lab(30.18% 14.03 35.15)lch(30.18% 37.84 68.24)What #643E0C 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 #643E0C, 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.
#643E0C Channel Values
How #643E0C 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 100 · G 62 · B 12 | 8-bit channels as sent to the display |
| HSL | H 34° · S 79% · L 22% | Easiest model for building lighter and darker variants |
| HSV | H 34° · S 88% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 38% · Y 88% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.39:1 vs white · 2.24:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #643E0C 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 #643E0C in the contrast checker.
Colors That Go With #643E0C
Pairings derived from color-wheel relationships. The complementary color sits opposite #643E0C; 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 #643E0C
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 #643E0C.
How #643E0C 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.
#643E0C#46460B#54430B#4D4D05#574708#663A3A#653C2E#464646Using #643E0C in Code
Copy-ready declarations for the places this color usually ends up.
--color-643e0c: #643E0C;background-color: #643E0C;colors: { 'color-643e0c': '#643E0C' }Color(red: 0.392, green: 0.243, blue: 0.047)<color name="color_643e0c">#643E0C</color>fill="#643E0C"More Brown Colors
#643E0C sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#643E0C Frequently Asked Questions
What color is #643E0C?
#643E0C is a dark brown — rgb(100, 62, 12) in RGB and hsl(34, 79%, 22%) in HSL. It carries no registered color name of its own; the closest named color is Pullman Brown(ups Brown) (#644117), which is very hard to tell apart at a CIE76 distance of 4.5.
What is the RGB value of #643E0C?
#643E0C is rgb(100, 62, 12) — red 100, green 62, and blue 12 on the 0-255 scale.
What is the CMYK value of #643E0C?
#643E0C converts to approximately cmyk(0%, 38%, 88%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #643E0C be black or white?
White text is the more readable choice. #643E0C scores 9.39:1 against white and 2.24:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #643E0C as a CSS color keyword?
No. #643E0C 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 saddlebrown (#8B4513) at a CIE76 distance of 17.28, which is visibly different.
Open #643E0C in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.