#581D16#581D16

#581D16 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.089 H 29.6°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#581D16
RGB	rgb(88, 29, 22)
HSL	hsl(6, 60%, 22%)
HSV	hsv(6, 75%, 35%)
CMYK	cmyk(0%, 67%, 75%, 65.5%)
CIE-LAB	lab(20.09, 26.76, 19.02)
CIE-LCH	lch(20.09, 32.84, 35.40°)
OKLab	oklab(32.14% 0.0773 0.0439)
OKLCH	oklch(32.14% 0.089 29.6)
XYZ	xyz(4.6092, 3.0120, 1.0976)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D16 #165158

analogous

#581630 #581D16 #583E16

triadic

#581D16 #16581D #1D1658

tetradic

#581D16 #305816 #165158 #3E1658

square

#581D16 #305816 #165158 #3E1658

split-complementary

#581D16 #16583E #163058

monochromatic

#180806 #270D0A #581D16 #892D22 #BA3D2E

Accessibility & contrast

On white

13.11

#581D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#581D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D16

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D16	#FFFFFF	#000000	##FFFFFF
##581D16	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2815

Deuteranopia (green-blind)

#3C3514

Tritanopia (blue-blind)

#610F1C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581d16;
/* rgb */ color: rgb(88, 29, 22);
/* oklch */ color: oklch(32.1% 0.089 29.6);

Tailwind

colors: {
  custom: {
    50: '#8c5c53',
    500: '#581d16',
    950: '#000000',
  },
}

SCSS

$custom: #581d16;
$custom-light: #8c5c53;
$custom-dark: #000000;

JSON

{
  "hex": "#581d16",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 22
  },
  "hsl": {
    "h": 6.364,
    "s": 60,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32136,
    "c": 0.0889,
    "h": 29.6
  },
  "luminance": 0.03011
}

Semantic roles & 50–950 ramp

primary

#581D16

secondary

#3B868F

accent

#D2E345

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581D16

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

Preview Lab → · Contrast checker → · Palette generator →