#663105 Color
#663105 is rgb(102, 49, 5) in RGB, hsl(27, 91%, 21%) in HSL, and about cmyk(0%, 52%, 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 4.46. White text is the more readable choice on this background.
#663105rgb(102, 49, 5)hsl(27, 91%, 21%)hsv(27, 95%, 40%)cmyk(0%, 52%, 95%, 60%)oklch(37.7% 0.092 53)lab(27.21% 22.33 35.74)lch(27.21% 42.14 58.00)What #663105 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 #663105, 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.
#663105 Channel Values
How #663105 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 49 · B 5 | 8-bit channels as sent to the display |
| HSL | H 27° · S 91% · L 21% | Easiest model for building lighter and darker variants |
| HSV | H 27° · S 95% · V 40% | Matches the picker in most design tools |
| CMYK | C 0% · M 52% · Y 95% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.47:1 vs white · 2.01:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #663105 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 #663105 in the contrast checker.
Colors That Go With #663105
Pairings derived from color-wheel relationships. The complementary color sits opposite #663105; 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 #663105
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 #663105.
How #663105 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.
#663105#3E3E03#513904#484800#554000#672E2E#672F23#3F3F3FUsing #663105 in Code
Copy-ready declarations for the places this color usually ends up.
--color-663105: #663105;background-color: #663105;colors: { 'color-663105': '#663105' }Color(red: 0.400, green: 0.192, blue: 0.020)<color name="color_663105">#663105</color>fill="#663105"More Brown Colors
#663105 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#663105 Frequently Asked Questions
What color is #663105?
#663105 is a dark brown — rgb(102, 49, 5) in RGB and hsl(27, 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 4.46.
What is the RGB value of #663105?
#663105 is rgb(102, 49, 5) — red 102, green 49, and blue 5 on the 0-255 scale.
What is the CMYK value of #663105?
#663105 converts to approximately cmyk(0%, 52%, 95%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #663105 be black or white?
White text is the more readable choice. #663105 scores 10.47:1 against white and 2.01:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #663105 as a CSS color keyword?
No. #663105 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 13.49, which is visibly different.
Open #663105 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.