#581C0D#581C0D

#581C0D is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.092 H 35.1°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#581C0D
RGB	rgb(88, 28, 13)
HSL	hsl(12, 74%, 20%)
HSV	hsv(12, 85%, 35%)
CMYK	cmyk(0%, 68.2%, 85.2%, 65.5%)
CIE-LAB	lab(19.78, 26.82, 23.96)
CIE-LCH	lch(19.78, 35.96, 41.77°)
OKLab	oklab(31.86% 0.0755 0.053)
OKLCH	oklch(31.86% 0.092 35.1)
XYZ	xyz(4.5129, 2.9349, 0.7096)
Luminance	0.0293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C0D #0D4958

analogous

#580D24 #581C0D #58420D

triadic

#581C0D #0D581C #1C0D58

tetradic

#581C0D #24580D #0D4958 #420D58

square

#581C0D #24580D #0D4958 #420D58

split-complementary

#581C0D #0D5842 #0D2458

monochromatic

#1B0804 #230B05 #581C0D #8D2D15 #C33E1D

Accessibility & contrast

On white

13.23

#581C0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581C0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C0D

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C0D	#FFFFFF	#000000	##FFFFFF
##581C0D	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D270B

Deuteranopia (green-blind)

#3C350B

Tritanopia (blue-blind)

#620C19

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581c0d;
/* rgb */ color: rgb(88, 28, 13);
/* oklch */ color: oklch(31.9% 0.092 35.1);

Tailwind

colors: {
  custom: {
    50: '#8d5b4d',
    500: '#581c0d',
    950: '#000000',
  },
}

SCSS

$custom: #581c0d;
$custom-light: #8d5b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#581c0d",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 13
  },
  "hsl": {
    "h": 12,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31864,
    "c": 0.09227,
    "h": 35.1
  },
  "luminance": 0.02934
}

Semantic roles & 50–950 ramp

primary

#581C0D

secondary

#2E7E93

accent

#CCF137

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #581C0D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →