#581D0D#581D0D

#581D0D is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.0% C 0.091 H 35.9°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#581D0D
RGB	rgb(88, 29, 13)
HSL	hsl(13, 74%, 20%)
HSV	hsv(13, 85%, 35%)
CMYK	cmyk(0%, 67%, 85.2%, 65.5%)
CIE-LAB	lab(19.98, 26.31, 24.18)
CIE-LCH	lch(19.98, 35.73, 42.58°)
OKLab	oklab(32.01% 0.0739 0.0534)
OKLCH	oklch(32.01% 0.091 35.9)
XYZ	xyz(4.5370, 2.9831, 0.7176)
Luminance	0.0298 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D0D #0D4858

analogous

#580D23 #581D0D #58430D

triadic

#581D0D #0D581D #1D0D58

tetradic

#581D0D #23580D #0D4858 #430D58

square

#581D0D #23580D #0D4858 #430D58

split-complementary

#581D0D #0D5843 #0D2358

monochromatic

#1B0904 #230B05 #581D0D #8D2F15 #C3401D

Accessibility & contrast

On white

13.15

#581D0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581D0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D0D

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D0D	#FFFFFF	#000000	##FFFFFF
##581D0D	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E280B

Deuteranopia (green-blind)

#3C350B

Tritanopia (blue-blind)

#620E1A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581d0d;
/* rgb */ color: rgb(88, 29, 13);
/* oklch */ color: oklch(32.0% 0.091 35.9);

Tailwind

colors: {
  custom: {
    50: '#8d5c4d',
    500: '#581d0d',
    950: '#000000',
  },
}

SCSS

$custom: #581d0d;
$custom-light: #8d5c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#581d0d",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 13
  },
  "hsl": {
    "h": 12.8,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.32011,
    "c": 0.09121,
    "h": 35.9
  },
  "luminance": 0.02982
}

Semantic roles & 50–950 ramp

primary

#581D0D

secondary

#2E7D93

accent

#C9F137

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #581D0D

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

Preview Lab → · Contrast checker → · Palette generator →