#581C12#581C12

#581C12 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.091 H 31.8°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#581C12
RGB	rgb(88, 28, 18)
HSL	hsl(9, 66%, 21%)
HSV	hsv(9, 80%, 35%)
CMYK	cmyk(0%, 68.2%, 79.5%, 65.5%)
CIE-LAB	lab(19.84, 27.06, 21.31)
CIE-LCH	lch(19.84, 34.44, 38.22°)
OKLab	oklab(31.93% 0.0773 0.048)
OKLCH	oklch(31.93% 0.091 31.8)
XYZ	xyz(4.5494, 2.9495, 0.9019)
Luminance	0.0295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C12 #124E58

analogous

#58122B #581C12 #583F12

triadic

#581C12 #12581C #1C1258

tetradic

#581C12 #2B5812 #124E58 #3F1258

square

#581C12 #2B5812 #124E58 #3F1258

split-complementary

#581C12 #12583F #122B58

monochromatic

#190805 #250C08 #581C12 #8B2C1C #BE3C27

Accessibility & contrast

On white

13.21

#581C12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581C12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C12

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C12	#FFFFFF	#000000	##FFFFFF
##581C12	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2811

Deuteranopia (green-blind)

#3C3510

Tritanopia (blue-blind)

#610D1A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581c12;
/* rgb */ color: rgb(88, 28, 18);
/* oklch */ color: oklch(31.9% 0.091 31.8);

Tailwind

colors: {
  custom: {
    50: '#8d5b50',
    500: '#581c12',
    950: '#000000',
  },
}

SCSS

$custom: #581c12;
$custom-light: #8d5b50;
$custom-dark: #000000;

JSON

{
  "hex": "#581c12",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 18
  },
  "hsl": {
    "h": 8.571,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31928,
    "c": 0.09101,
    "h": 31.8
  },
  "luminance": 0.02949
}

Semantic roles & 50–950 ramp

primary

#581C12

secondary

#358491

accent

#D1E93F

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581C12

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

Preview Lab → · Contrast checker → · Palette generator →