#581C16#581C16

#581C16 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.0% C 0.090 H 28.8°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#581C16
RGB	rgb(88, 28, 22)
HSL	hsl(5, 60%, 22%)
HSV	hsv(5, 75%, 35%)
CMYK	cmyk(0%, 68.2%, 75%, 65.5%)
CIE-LAB	lab(19.90, 27.28, 18.80)
CIE-LCH	lch(19.90, 33.13, 34.57°)
OKLab	oklab(31.99% 0.079 0.0434)
OKLCH	oklch(31.99% 0.09 28.8)
XYZ	xyz(4.5850, 2.9638, 1.0895)
Luminance	0.0296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C16 #165258

analogous

#581631 #581C16 #583D16

triadic

#581C16 #16581C #1C1658

tetradic

#581C16 #315816 #165258 #3D1658

square

#581C16 #315816 #165258 #3D1658

split-complementary

#581C16 #16583D #163158

monochromatic

#180806 #270C0A #581C16 #892C22 #BA3B2E

Accessibility & contrast

On white

13.19

#581C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C16

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C16	#FFFFFF	#000000	##FFFFFF
##581C16	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2815

Deuteranopia (green-blind)

#3B3514

Tritanopia (blue-blind)

#610E1B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581c16;
/* rgb */ color: rgb(88, 28, 22);
/* oklch */ color: oklch(32.0% 0.090 28.8);

Tailwind

colors: {
  custom: {
    50: '#8d5b53',
    500: '#581c16',
    950: '#000000',
  },
}

SCSS

$custom: #581c16;
$custom-light: #8d5b53;
$custom-dark: #000000;

JSON

{
  "hex": "#581c16",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 22
  },
  "hsl": {
    "h": 5.455,
    "s": 60,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3199,
    "c": 0.09007,
    "h": 28.8
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#581C16

secondary

#3B888F

accent

#D5E345

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581C16

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

Preview Lab → · Contrast checker → · Palette generator →