#634309 Color
#634309 is rgb(99, 67, 9) in RGB, hsl(39, 83%, 21%) in HSL, and about cmyk(0%, 32%, 91%, 61%) in CMYK. It has no registered color name of its own — the closest is Violin Brown (#674403), very hard to tell apart at ΔE 3.39. White text is the more readable choice on this background.
#634309rgb(99, 67, 9)hsl(39, 83%, 21%)hsv(39, 91%, 39%)cmyk(0%, 32%, 91%, 61%)oklch(40.9% 0.081 75.9)lab(31.39% 10.52 37.12)lch(31.39% 38.58 74.18)What #634309 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 #634309, 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.
#634309 Channel Values
How #634309 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 99 · G 67 · B 9 | 8-bit channels as sent to the display |
| HSL | H 39° · S 83% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 39° · S 91% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 32% · Y 91% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.98:1 vs white · 2.34:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #634309 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 #634309 in the contrast checker.
Colors That Go With #634309
Pairings derived from color-wheel relationships. The complementary color sits opposite #634309; 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 #634309
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 #634309.
How #634309 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.
#634309#4A4A08#554708#4F4F03#584B05#663F3F#654131#494949Using #634309 in Code
Copy-ready declarations for the places this color usually ends up.
--color-634309: #634309;background-color: #634309;colors: { 'color-634309': '#634309' }Color(red: 0.388, green: 0.263, blue: 0.035)<color name="color_634309">#634309</color>fill="#634309"More Brown Colors
#634309 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#634309 Frequently Asked Questions
What color is #634309?
#634309 is a dark brown — rgb(99, 67, 9) in RGB and hsl(39, 83%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Violin Brown (#674403), which is very hard to tell apart at a CIE76 distance of 3.39.
What is the RGB value of #634309?
#634309 is rgb(99, 67, 9) — red 99, green 67, and blue 9 on the 0-255 scale.
What is the CMYK value of #634309?
#634309 converts to approximately cmyk(0%, 32%, 91%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #634309 be black or white?
White text is the more readable choice. #634309 scores 8.98:1 against white and 2.34:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #634309 as a CSS color keyword?
No. #634309 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 19.26, which is visibly different.
Open #634309 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.