#582818 Color
#582818 is rgb(88, 40, 24) in RGB, hsl(15, 57%, 22%) in HSL, and about cmyk(0%, 55%, 73%, 65%) in CMYK. It has no registered color name of its own — the closest is Seal Brown (#59260B), clearly related but distinguishable side by side at ΔE 6.98. White text is the more readable choice on this background.
#582818rgb(88, 40, 24)hsl(15, 57%, 22%)hsv(15, 73%, 35%)cmyk(0%, 55%, 73%, 65%)oklch(34% 0.076 38.9)lab(22.82% 21.62 21.08)lch(22.82% 30.19 44.28)What #582818 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 #582818, 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.
#582818 Channel Values
How #582818 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 88 · G 40 · B 24 | 8-bit channels as sent to the display |
| HSL | H 15° · S 57% · L 22% | Easiest model for building lighter and darker variants |
| HSV | H 15° · S 73% · V 35% | Matches the picker in most design tools |
| CMYK | C 0% · M 55% · Y 73% · K 65% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.13:1 vs white · 1.73:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #582818 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 #582818 in the contrast checker.
Colors That Go With #582818
Pairings derived from color-wheel relationships. The complementary color sits opposite #582818; 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 #582818
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 #582818.
How #582818 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.
#582818#343417#453018#3D3D14#493616#592626#582721#363636Using #582818 in Code
Copy-ready declarations for the places this color usually ends up.
--color-582818: #582818;background-color: #582818;colors: { 'color-582818': '#582818' }Color(red: 0.345, green: 0.157, blue: 0.094)<color name="color_582818">#582818</color>fill="#582818"More Brown Colors
#582818 sits in the brown family. These are its neighbours across that family's full range, each with its own breakdown.
#582818 Frequently Asked Questions
What color is #582818?
#582818 is a dark brown — rgb(88, 40, 24) in RGB and hsl(15, 57%, 22%) in HSL. It carries no registered color name of its own; the closest named color is Seal Brown (#59260B), which is clearly related but distinguishable side by side at a CIE76 distance of 6.98.
What is the RGB value of #582818?
#582818 is rgb(88, 40, 24) — red 88, green 40, and blue 24 on the 0-255 scale.
What is the CMYK value of #582818?
#582818 converts to approximately cmyk(0%, 55%, 73%, 65%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #582818 be black or white?
White text is the more readable choice. #582818 scores 12.13:1 against white and 1.73:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #582818 as a CSS color keyword?
No. #582818 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 26.26, which is a different colour altogether.
Open #582818 in a Tool
Keep exploring: every brown in the color library, the guide to shades of brown, or the full color library.