#581811#581811

#581811 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.4% C 0.096 H 29.7°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#581811
RGB	rgb(88, 24, 17)
HSL	hsl(6, 68%, 21%)
HSV	hsv(6, 81%, 35%)
CMYK	cmyk(0%, 72.7%, 80.7%, 65.5%)
CIE-LAB	lab(19.09, 28.98, 21.05)
CIE-LCH	lch(19.09, 35.81, 35.99°)
OKLab	oklab(31.36% 0.0831 0.0473)
OKLCH	oklch(31.36% 0.096 29.7)
XYZ	xyz(4.4528, 2.7691, 0.8302)
Luminance	0.0277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581811 #115158

analogous

#58112E #581811 #583B11

triadic

#581811 #115818 #181158

tetradic

#581811 #2E5811 #115158 #3B1158

square

#581811 #2E5811 #115158 #3B1158

split-complementary

#581811 #11583B #112E58

monochromatic

#1A0705 #250A07 #581811 #8B261B #BF3425

Accessibility & contrast

On white

13.52

#581811 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#581811 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581811

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581811	#FFFFFF	#000000	##FFFFFF
##581811	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2510

Deuteranopia (green-blind)

#3A340F

Tritanopia (blue-blind)

#610617

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #581811;
/* rgb */ color: rgb(88, 24, 17);
/* oklch */ color: oklch(31.4% 0.096 29.7);

Tailwind

colors: {
  custom: {
    50: '#8d594f',
    500: '#581811',
    950: '#000000',
  },
}

SCSS

$custom: #581811;
$custom-light: #8d594f;
$custom-dark: #000000;

JSON

{
  "hex": "#581811",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 17
  },
  "hsl": {
    "h": 5.915,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31363,
    "c": 0.09563,
    "h": 29.7
  },
  "luminance": 0.02768
}

Semantic roles & 50–950 ramp

primary

#581811

secondary

#348891

accent

#D9EA3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581811

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

Preview Lab → · Contrast checker → · Palette generator →