#643626 Color
#643626 is rgb(100, 54, 38) in RGB, hsl(15, 45%, 27%) in HSL, and about cmyk(0%, 46%, 62%, 61%) in CMYK. It has no registered color name of its own — the closest is Van Dyke Brown (#664228), clearly related but distinguishable side by side at ΔE 7.47. White text is the more readable choice on this background.
#643626rgb(100, 54, 38)hsl(15, 45%, 27%)hsv(15, 62%, 39%)cmyk(0%, 46%, 62%, 61%)oklch(38.7% 0.071 39.8)lab(28.37% 19.82 19.41)lch(28.37% 27.74 44.40)What #643626 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 #643626, 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.
#643626 Channel Values
How #643626 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 54 · B 38 | 8-bit channels as sent to the display |
| HSL | H 15° · S 45% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 15° · S 62% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 46% · Y 62% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.01:1 vs white · 2.1:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #643626 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 #643626 in the contrast checker.
Colors That Go With #643626
Pairings derived from color-wheel relationships. The complementary color sits opposite #643626; 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 #643626
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 #643626.
How #643626 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.
#643626#414126#513D26#494923#554224#653434#64352F#424242Using #643626 in Code
Copy-ready declarations for the places this color usually ends up.
--color-643626: #643626;background-color: #643626;colors: { 'color-643626': '#643626' }Color(red: 0.392, green: 0.212, blue: 0.149)<color name="color_643626">#643626</color>fill="#643626"More Brown Colors
#643626 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#643626 Frequently Asked Questions
What color is #643626?
#643626 is a dark brown — rgb(100, 54, 38) in RGB and hsl(15, 45%, 27%) in HSL. It carries no registered color name of its own; the closest named color is Van Dyke Brown (#664228), which is clearly related but distinguishable side by side at a CIE76 distance of 7.47.
What is the RGB value of #643626?
#643626 is rgb(100, 54, 38) — red 100, green 54, and blue 38 on the 0-255 scale.
What is the CMYK value of #643626?
#643626 converts to approximately cmyk(0%, 46%, 62%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #643626 be black or white?
White text is the more readable choice. #643626 scores 10.01:1 against white and 2.1:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #643626 as a CSS color keyword?
No. #643626 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 25.5, which is a different colour altogether.
Open #643626 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.