#581D18#581D18

#581D18 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.2% C 0.088 H 27.9°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#581D18
RGB	rgb(88, 29, 24)
HSL	hsl(5, 57%, 22%)
HSV	hsv(5, 73%, 35%)
CMYK	cmyk(0%, 67%, 72.7%, 65.5%)
CIE-LAB	lab(20.12, 26.89, 17.74)
CIE-LCH	lch(20.12, 32.21, 33.41°)
OKLab	oklab(32.17% 0.0782 0.0414)
OKLCH	oklch(32.17% 0.088 27.9)
XYZ	xyz(4.6292, 3.0200, 1.2031)
Luminance	0.0302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D18 #185358

analogous

#581833 #581D18 #583D18

triadic

#581D18 #18581D #1D1858

tetradic

#581D18 #335818 #185358 #3D1858

square

#581D18 #335818 #185358 #3D1858

split-complementary

#581D18 #18583D #183358

monochromatic

#180807 #280D0B #581D18 #882D25 #B83D32

Accessibility & contrast

On white

13.09

#581D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D18

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D18	#FFFFFF	#000000	##FFFFFF
##581D18	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2917

Deuteranopia (green-blind)

#3B3516

Tritanopia (blue-blind)

#61101C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581d18;
/* rgb */ color: rgb(88, 29, 24);
/* oklch */ color: oklch(32.2% 0.088 27.9);

Tailwind

colors: {
  custom: {
    50: '#8c5c55',
    500: '#581d18',
    950: '#000000',
  },
}

SCSS

$custom: #581d18;
$custom-light: #8c5c55;
$custom-dark: #000000;

JSON

{
  "hex": "#581d18",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 24
  },
  "hsl": {
    "h": 4.688,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.3217,
    "c": 0.08846,
    "h": 27.9
  },
  "luminance": 0.03019
}

Semantic roles & 50–950 ramp

primary

#581D18

secondary

#3D888F

accent

#D4E047

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581D18

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

Preview Lab → · Contrast checker → · Palette generator →