#664224 Color
#664224 is rgb(102, 66, 36) in RGB, hsl(27, 48%, 27%) in HSL, and about cmyk(0%, 35%, 65%, 60%) in CMYK. It has no registered color name of its own — the closest is Dark Brown (#654321), below the threshold most people can see at ΔE 2.17. White text is the more readable choice on this background.
#664224rgb(102, 66, 36)hsl(27, 48%, 27%)hsv(27, 65%, 40%)cmyk(0%, 35%, 65%, 60%)oklch(41.4% 0.067 59.2)lab(31.74% 13.62 24.68)lch(31.74% 28.19 61.11)What #664224 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 #664224, 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.
#664224 Channel Values
How #664224 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 66 · B 36 | 8-bit channels as sent to the display |
| HSL | H 27° · S 48% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 27° · S 65% · V 40% | Matches the picker in most design tools |
| CMYK | C 0% · M 35% · Y 65% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.86:1 vs white · 2.37:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #664224 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 #664224 in the contrast checker.
Colors That Go With #664224
Pairings derived from color-wheel relationships. The complementary color sits opposite #664224; 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 #664224
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 #664224.
How #664224 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.
#664224#4A4A24#564724#505021#5A4B22#683F3F#674036#4A4A4AUsing #664224 in Code
Copy-ready declarations for the places this color usually ends up.
--color-664224: #664224;background-color: #664224;colors: { 'color-664224': '#664224' }Color(red: 0.400, green: 0.259, blue: 0.141)<color name="color_664224">#664224</color>fill="#664224"More Brown Colors
#664224 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#664224 Frequently Asked Questions
What color is #664224?
#664224 is a dark brown — rgb(102, 66, 36) in RGB and hsl(27, 48%, 27%) in HSL. It carries no registered color name of its own; the closest named color is Dark Brown (#654321), which is below the threshold most people can see at a CIE76 distance of 2.17.
What is the RGB value of #664224?
#664224 is rgb(102, 66, 36) — red 102, green 66, and blue 36 on the 0-255 scale.
What is the CMYK value of #664224?
#664224 converts to approximately cmyk(0%, 35%, 65%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #664224 be black or white?
White text is the more readable choice. #664224 scores 8.86:1 against white and 2.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #664224 as a CSS color keyword?
No. #664224 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 23.08, which is visibly different.
Open #664224 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.