#636264 Color
#636264 is rgb(99, 98, 100) in RGB, hsl(270, 1%, 39%) in HSL, and about cmyk(1%, 2%, 0%, 61%) in CMYK. It has no registered color name of its own — the closest is Granite Gray (#676767), below the threshold most people can see at ΔE 2.26. White text is the more readable choice on this background.
#636264rgb(99, 98, 100)hsl(270, 1%, 39%)hsv(270, 2%, 39%)cmyk(1%, 2%, 0%, 61%)oklch(49.8% 0.003 308.4)lab(41.70% 0.72 -0.99)lch(41.70% 1.23 305.88)What #636264 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 #636264, 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.
#636264 Channel Values
How #636264 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 98 · B 100 | 8-bit channels as sent to the display |
| HSL | H 270° · S 1% · L 39% | Easiest model for building lighter and darker variants |
| HSV | H 270° · S 2% · V 39% | Matches the picker in most design tools |
| CMYK | C 1% · M 2% · Y 0% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.07:1 vs white · 3.46:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #636264 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 #636264 in the contrast checker.
Colors That Go With #636264
Pairings derived from color-wheel relationships. The complementary color sits opposite #636264; 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 #636264
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 #636264.
How #636264 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.
#636264#626264#636264#626264#636264#636262#636263#626262Using #636264 in Code
Copy-ready declarations for the places this color usually ends up.
--color-636264: #636264;background-color: #636264;colors: { 'color-636264': '#636264' }Color(red: 0.388, green: 0.384, blue: 0.392)<color name="color_636264">#636264</color>fill="#636264"More Gray Colors
#636264 sits in the gray family. These are its neighbours across that family's full range, each with its own breakdown.
#636264 Frequently Asked Questions
What color is #636264?
#636264 is a dark gray — rgb(99, 98, 100) in RGB and hsl(270, 1%, 39%) in HSL. It carries no registered color name of its own; the closest named color is Granite Gray (#676767), which is below the threshold most people can see at a CIE76 distance of 2.26.
What is the RGB value of #636264?
#636264 is rgb(99, 98, 100) — red 99, green 98, and blue 100 on the 0-255 scale.
What is the CMYK value of #636264?
#636264 converts to approximately cmyk(1%, 2%, 0%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #636264 be black or white?
White text is the more readable choice. #636264 scores 6.07:1 against white and 3.46:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #636264 as a CSS color keyword?
No. #636264 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 2.98, which is very hard to tell apart.
Open #636264 in a Tool
Keep exploring: every gray in the color library, the guide to shades of gray, or the full color library.