#581A11#581A11

#581A11 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.6% C 0.093 H 31.0°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#581A11
RGB	rgb(88, 26, 17)
HSL	hsl(8, 68%, 21%)
HSV	hsv(8, 81%, 35%)
CMYK	cmyk(0%, 70.5%, 80.7%, 65.5%)
CIE-LAB	lab(19.45, 28.01, 21.46)
CIE-LCH	lch(19.45, 35.29, 37.45°)
OKLab	oklab(31.63% 0.0801 0.0482)
OKLCH	oklch(31.63% 0.093 31)
XYZ	xyz(4.4956, 2.8546, 0.8445)
Luminance	0.0285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A11 #114F58

analogous

#58112B #581A11 #583D11

triadic

#581A11 #11581A #1A1158

tetradic

#581A11 #2B5811 #114F58 #3D1158

square

#581A11 #2B5811 #114F58 #3D1158

split-complementary

#581A11 #11583D #112B58

monochromatic

#1A0805 #250B07 #581A11 #8B291B #BF3825

Accessibility & contrast

On white

13.37

#581A11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#581A11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A11

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A11	#FFFFFF	#000000	##FFFFFF
##581A11	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2710

Deuteranopia (green-blind)

#3B340F

Tritanopia (blue-blind)

#610918

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581a11;
/* rgb */ color: rgb(88, 26, 17);
/* oklch */ color: oklch(31.6% 0.093 31.0);

Tailwind

colors: {
  custom: {
    50: '#8d5a4f',
    500: '#581a11',
    950: '#000000',
  },
}

SCSS

$custom: #581a11;
$custom-light: #8d5a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#581a11",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 17
  },
  "hsl": {
    "h": 7.606,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.31631,
    "c": 0.09346,
    "h": 31
  },
  "luminance": 0.02854
}

Semantic roles & 50–950 ramp

primary

#581A11

secondary

#348591

accent

#D5EA3D

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581A11

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

Preview Lab → · Contrast checker → · Palette generator →