#663205 Color
#663205 is rgb(102, 50, 5) in RGB, hsl(28, 91%, 21%) in HSL, and about cmyk(0%, 51%, 95%, 60%) in CMYK. It has no registered color name of its own — the closest is Philippine Bronze (#6E3A07), very hard to tell apart at ΔE 4.03. White text is the more readable choice on this background.
#663205rgb(102, 50, 5)hsl(28, 91%, 21%)hsv(28, 95%, 40%)cmyk(0%, 51%, 95%, 60%)oklch(37.9% 0.091 54.1)lab(27.44% 21.77 35.93)lch(27.44% 42.01 58.79)What #663205 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 #663205, 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.
#663205 Channel Values
How #663205 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 102 · G 50 · B 5 | 8-bit channels as sent to the display |
| HSL | H 28° · S 91% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 28° · S 95% · V 40% | Matches the picker in most design tools |
| CMYK | C 0% · M 51% · Y 95% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.38:1 vs white · 2.02:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #663205 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 #663205 in the contrast checker.
Colors That Go With #663205
Pairings derived from color-wheel relationships. The complementary color sits opposite #663205; 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 #663205
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 #663205.
How #663205 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.
#663205#3F3F03#513A04#484800#564000#672F2F#673024#404040Using #663205 in Code
Copy-ready declarations for the places this color usually ends up.
--color-663205: #663205;background-color: #663205;colors: { 'color-663205': '#663205' }Color(red: 0.400, green: 0.196, blue: 0.020)<color name="color_663205">#663205</color>fill="#663205"More Brown Colors
#663205 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#663205 Frequently Asked Questions
What color is #663205?
#663205 is a dark brown — rgb(102, 50, 5) in RGB and hsl(28, 91%, 21%) in HSL. It carries no registered color name of its own; the closest named color is Philippine Bronze (#6E3A07), which is very hard to tell apart at a CIE76 distance of 4.03.
What is the RGB value of #663205?
#663205 is rgb(102, 50, 5) — red 102, green 50, and blue 5 on the 0-255 scale.
What is the CMYK value of #663205?
#663205 converts to approximately cmyk(0%, 51%, 95%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #663205 be black or white?
White text is the more readable choice. #663205 scores 10.38:1 against white and 2.02:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #663205 as a CSS color keyword?
No. #663205 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 13.48, which is visibly different.
Open #663205 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.