#A8152B Color
#A8152B is rgb(168, 21, 43) in RGB, hsl(351, 78%, 37%) in HSL, and about cmyk(0%, 87%, 74%, 34%) in CMYK. It has no registered color name of its own — the closest is Upsdell Red (#AE2029), very hard to tell apart at ΔE 4.57. White text is the more readable choice on this background.
#A8152Brgb(168, 21, 43)hsl(351, 78%, 37%)hsv(351, 87%, 66%)cmyk(0%, 87%, 74%, 34%)oklch(47.1% 0.178 21.2)lab(36.74% 56.90 29.91)lch(36.74% 64.28 27.73)What #A8152B 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 #A8152B, 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.
#A8152B Channel Values
How #A8152B 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 168 · G 21 · B 43 | 8-bit channels as sent to the display |
| HSL | H 351° · S 78% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 351° · S 87% · V 66% | Matches the picker in most design tools |
| CMYK | C 0% · M 87% · Y 74% · K 34% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.48:1 vs white · 2.81:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #A8152B 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 #A8152B in the contrast checker.
Colors That Go With #A8152B
Pairings derived from color-wheel relationships. The complementary color sits opposite #A8152B; 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 #A8152B
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 #A8152B.
How #A8152B 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.
#A8152B#4C4C29#7C3D2A#67671F#865224#A81919#A81721#555555Using #A8152B in Code
Copy-ready declarations for the places this color usually ends up.
--color-a8152b: #A8152B;background-color: #A8152B;colors: { 'color-a8152b': '#A8152B' }Color(red: 0.659, green: 0.082, blue: 0.169)<color name="color_a8152b">#A8152B</color>fill="#A8152B"More Red Colors
#A8152B sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.
#A8152B Frequently Asked Questions
What color is #A8152B?
#A8152B is a dark red — rgb(168, 21, 43) in RGB and hsl(351, 78%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Upsdell Red (#AE2029), which is very hard to tell apart at a CIE76 distance of 4.57.
What is the RGB value of #A8152B?
#A8152B is rgb(168, 21, 43) — red 168, green 21, and blue 43 on the 0-255 scale.
What is the CMYK value of #A8152B?
#A8152B converts to approximately cmyk(0%, 87%, 74%, 34%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #A8152B be black or white?
White text is the more readable choice. #A8152B scores 7.48:1 against white and 2.81:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #A8152B as a CSS color keyword?
No. #A8152B 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 brown (#A52A2A) at a CIE76 distance of 6.94, which is clearly related but distinguishable side by side.
Open #A8152B in a Tool
Keep exploring: every red in the color library, the guide to shades of red, or the full color library.