#581C0F#581C0F

#581C0F is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.092 H 33.8°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#581C0F
RGB	rgb(88, 28, 15)
HSL	hsl(11, 71%, 20%)
HSV	hsv(11, 83%, 35%)
CMYK	cmyk(0%, 68.2%, 83%, 65.5%)
CIE-LAB	lab(19.80, 26.91, 22.97)
CIE-LCH	lch(19.80, 35.38, 40.48°)
OKLab	oklab(31.89% 0.0762 0.0511)
OKLCH	oklch(31.89% 0.092 33.8)
XYZ	xyz(4.5265, 2.9403, 0.7810)
Luminance	0.0294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C0F #0F4B58

analogous

#580F26 #581C0F #58400F

triadic

#581C0F #0F581C #1C0F58

tetradic

#581C0F #26580F #0F4B58 #400F58

square

#581C0F #26580F #0F4B58 #400F58

split-complementary

#581C0F #0F5840 #0F2658

monochromatic

#1A0804 #240B06 #581C0F #8C2D18 #C13D21

Accessibility & contrast

On white

13.22

#581C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C0F

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C0F	#FFFFFF	#000000	##FFFFFF
##581C0F	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D280D

Deuteranopia (green-blind)

#3C350D

Tritanopia (blue-blind)

#610D19

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581c0f;
/* rgb */ color: rgb(88, 28, 15);
/* oklch */ color: oklch(31.9% 0.092 33.8);

Tailwind

colors: {
  custom: {
    50: '#8d5b4e',
    500: '#581c0f',
    950: '#000000',
  },
}

SCSS

$custom: #581c0f;
$custom-light: #8d5b4e;
$custom-dark: #000000;

JSON

{
  "hex": "#581c0f",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 15
  },
  "hsl": {
    "h": 10.685,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31888,
    "c": 0.09176,
    "h": 33.8
  },
  "luminance": 0.0294
}

Semantic roles & 50–950 ramp

primary

#581C0F

secondary

#318192

accent

#CEEE3A

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #581C0F

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

Preview Lab → · Contrast checker → · Palette generator →