#636459 Color
#636459 is rgb(99, 100, 89) in RGB, hsl(65, 6%, 37%) in HSL, and about cmyk(1%, 0%, 11%, 61%) in CMYK. It has no registered color name of its own — the closest is Ebony (#555D50), very hard to tell apart at ΔE 4.83. White text is the more readable choice on this background.
#636459rgb(99, 100, 89)hsl(65, 6%, 37%)hsv(65, 11%, 39%)cmyk(1%, 0%, 11%, 61%)oklch(49.9% 0.017 111.2)lab(42.03% -2.03 6.13)lch(42.03% 6.46 108.37)What #636459 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 #636459, 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 gray in the library.
#636459 Channel Values
How #636459 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 100 · B 89 | 8-bit channels as sent to the display |
| HSL | H 65° · S 6% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 65° · S 11% · V 39% | Matches the picker in most design tools |
| CMYK | C 1% · M 0% · Y 11% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6:1 vs white · 3.5:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #636459 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 #636459 in the contrast checker.
Colors That Go With #636459
Pairings derived from color-wheel relationships. The complementary color sits opposite #636459; 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 #636459
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 #636459.
How #636459 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.
#636459#646459#636459#646459#636459#646363#64635F#636363Using #636459 in Code
Copy-ready declarations for the places this color usually ends up.
--color-636459: #636459;background-color: #636459;colors: { 'color-636459': '#636459' }Color(red: 0.388, green: 0.392, blue: 0.349)<color name="color_636459">#636459</color>fill="#636459"More Gray Colors
#636459 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#636459 Frequently Asked Questions
What color is #636459?
#636459 is a dark gray — rgb(99, 100, 89) in RGB and hsl(65, 6%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Ebony (#555D50), which is very hard to tell apart at a CIE76 distance of 4.83.
What is the RGB value of #636459?
#636459 is rgb(99, 100, 89) — red 99, green 100, and blue 89 on the 0-255 scale.
What is the CMYK value of #636459?
#636459 converts to approximately cmyk(1%, 0%, 11%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #636459 be black or white?
White text is the more readable choice. #636459 scores 6:1 against white and 3.5:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #636459 as a CSS color keyword?
No. #636459 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 dimgray (#696969) at a CIE76 distance of 6.88, which is clearly related but distinguishable side by side.
Open #636459 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.