#63221C Color
#63221C is rgb(99, 34, 28) in RGB, hsl(5, 56%, 25%) in HSL, and about cmyk(0%, 66%, 72%, 61%) in CMYK. It has no registered color name of its own — the closest is Philippine Brown (#5D1916), very hard to tell apart at ΔE 3.31. White text is the more readable choice on this background.
#63221Crgb(99, 34, 28)hsl(5, 56%, 25%)hsv(5, 72%, 39%)cmyk(0%, 66%, 72%, 61%)oklch(35% 0.096 28.2)lab(23.65% 29.65 20.11)lch(23.65% 35.83 34.15)What #63221C 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 #63221C, 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 red in the library.
#63221C Channel Values
How #63221C 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 34 · B 28 | 8-bit channels as sent to the display |
| HSL | H 5° · S 56% · L 25% | Easiest model for building lighter and darker variants |
| HSV | H 5° · S 72% · V 39% | Matches the picker in most design tools |
| CMYK | C 0% · M 66% · Y 72% · K 61% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.82:1 vs white · 1.78:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #63221C 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 #63221C in the contrast checker.
Colors That Go With #63221C
Pairings derived from color-wheel relationships. The complementary color sits opposite #63221C; 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 #63221C
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 #63221C.
How #63221C 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.
#63221C#34341B#4B2E1C#404017#503719#632121#63221F#373737Using #63221C in Code
Copy-ready declarations for the places this color usually ends up.
--color-63221c: #63221C;background-color: #63221C;colors: { 'color-63221c': '#63221C' }Color(red: 0.388, green: 0.133, blue: 0.110)<color name="color_63221c">#63221C</color>fill="#63221C"More Red Colors
#63221C sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#63221C Frequently Asked Questions
What color is #63221C?
#63221C is a dark red — rgb(99, 34, 28) in RGB and hsl(5, 56%, 25%) in HSL. It carries no registered color name of its own; the closest named color is Philippine Brown (#5D1916), which is very hard to tell apart at a CIE76 distance of 3.31.
What is the RGB value of #63221C?
#63221C is rgb(99, 34, 28) — red 99, green 34, and blue 28 on the 0-255 scale.
What is the CMYK value of #63221C?
#63221C converts to approximately cmyk(0%, 66%, 72%, 61%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #63221C be black or white?
White text is the more readable choice. #63221C scores 11.82:1 against white and 1.78:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #63221C as a CSS color keyword?
No. #63221C 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 25.82, which is a different colour altogether.
Open #63221C in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.