#664324 Color
#664324 is rgb(102, 67, 36) in RGB, hsl(28, 48%, 27%) in HSL, and about cmyk(0%, 34%, 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 1.62. White text is the more readable choice on this background.
#664324rgb(102, 67, 36)hsl(28, 48%, 27%)hsv(28, 65%, 40%)cmyk(0%, 34%, 65%, 60%)oklch(41.6% 0.066 60.9)lab(32.00% 13.03 24.98)lch(32.00% 28.18 62.45)What #664324 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 #664324, 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.
#664324 Channel Values
How #664324 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 67 · B 36 | 8-bit channels as sent to the display |
| HSL | H 28° · S 48% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 28° · S 65% · V 40% | Matches the picker in most design tools |
| CMYK | C 0% · M 34% · Y 65% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.77:1 vs white · 2.39:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #664324 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 #664324 in the contrast checker.
Colors That Go With #664324
Pairings derived from color-wheel relationships. The complementary color sits opposite #664324; 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 #664324
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 #664324.
How #664324 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.
#664324#4A4A24#574824#515121#5A4C22#684040#674137#4B4B4BUsing #664324 in Code
Copy-ready declarations for the places this color usually ends up.
--color-664324: #664324;background-color: #664324;colors: { 'color-664324': '#664324' }Color(red: 0.400, green: 0.263, blue: 0.141)<color name="color_664324">#664324</color>fill="#664324"More Brown Colors
#664324 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#664324 Frequently Asked Questions
What color is #664324?
#664324 is a dark brown — rgb(102, 67, 36) in RGB and hsl(28, 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 1.62.
What is the RGB value of #664324?
#664324 is rgb(102, 67, 36) — red 102, green 67, and blue 36 on the 0-255 scale.
What is the CMYK value of #664324?
#664324 converts to approximately cmyk(0%, 34%, 65%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #664324 be black or white?
White text is the more readable choice. #664324 scores 8.77:1 against white and 2.39:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #664324 as a CSS color keyword?
No. #664324 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 23.16, which is visibly different.
Open #664324 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.