#63544B Color
#63544B is rgb(99, 84, 75) in RGB, hsl(22, 14%, 34%) in HSL, and about cmyk(0%, 15%, 24%, 61%) in CMYK. It has no registered color name of its own — the closest is Umber (#635147), below the threshold most people can see at ΔE 1.96. White text is the more readable choice on this background.
#63544Brgb(99, 84, 75)hsl(22, 14%, 34%)hsv(22, 24%, 39%)cmyk(0%, 15%, 24%, 61%)oklch(45.8% 0.025 52.8)lab(37.04% 5.21 7.69)lch(37.04% 9.29 55.87)What #63544B 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 #63544B, 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.
#63544B Channel Values
How #63544B 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 84 · B 75 | 8-bit channels as sent to the display |
| HSL | H 22° · S 14% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 22° · S 24% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 15% · Y 24% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.24:1 vs white · 2.9:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #63544B 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 #63544B in the contrast checker.
Colors That Go With #63544B
Pairings derived from color-wheel relationships. The complementary color sits opposite #63544B; 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 #63544B
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 #63544B.
How #63544B 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.
#63544B#57574B#5C564B#59594A#5D574B#645353#645350#575757Using #63544B in Code
Copy-ready declarations for the places this color usually ends up.
--color-63544b: #63544B;background-color: #63544B;colors: { 'color-63544b': '#63544B' }Color(red: 0.388, green: 0.329, blue: 0.294)<color name="color_63544b">#63544B</color>fill="#63544B"More Brown Colors
#63544B sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#63544B Frequently Asked Questions
What color is #63544B?
#63544B is a dark brown — rgb(99, 84, 75) in RGB and hsl(22, 14%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Umber (#635147), which is below the threshold most people can see at a CIE76 distance of 1.96.
What is the RGB value of #63544B?
#63544B is rgb(99, 84, 75) — red 99, green 84, and blue 75 on the 0-255 scale.
What is the CMYK value of #63544B?
#63544B converts to approximately cmyk(0%, 15%, 24%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #63544B be black or white?
White text is the more readable choice. #63544B scores 7.24:1 against white and 2.9:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #63544B as a CSS color keyword?
No. #63544B 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 11.87, which is visibly different.
Open #63544B in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.