#581F1D#581F1D

#581F1D is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.6% C 0.085 H 25.0°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#581F1D
RGB	rgb(88, 31, 29)
HSL	hsl(2, 50%, 23%)
HSV	hsv(2, 67%, 35%)
CMYK	cmyk(0%, 64.8%, 67%, 65.5%)
CIE-LAB	lab(20.61, 26.19, 14.97)
CIE-LCH	lch(20.61, 30.17, 29.75°)
OKLab	oklab(32.57% 0.0771 0.0359)
OKLCH	oklch(32.57% 0.085 25)
XYZ	xyz(4.7367, 3.1440, 1.5196)
Luminance	0.0314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F1D #1D5658

analogous

#581D38 #581F1D #583C1D

triadic

#581F1D #1D581F #1F1D58

tetradic

#581F1D #38581D #1D5658 #3C1D58

square

#581F1D #38581D #1D5658 #3C1D58

split-complementary

#581F1D #1D583C #1D3858

monochromatic

#170808 #2A0F0E #581F1D #862F2C #B43F3B

Accessibility & contrast

On white

12.89

#581F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#581F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F1D

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F1D	#FFFFFF	#000000	##FFFFFF
##581F1D	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A1C

Deuteranopia (green-blind)

#3C361C

Tritanopia (blue-blind)

#61141F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #581f1d;
/* rgb */ color: rgb(88, 31, 29);
/* oklch */ color: oklch(32.6% 0.085 25.0);

Tailwind

colors: {
  custom: {
    50: '#8c5d58',
    500: '#581f1d',
    950: '#000000',
  },
}

SCSS

$custom: #581f1d;
$custom-light: #8c5d58;
$custom-dark: #000000;

JSON

{
  "hex": "#581f1d",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 2.034,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32566,
    "c": 0.08501,
    "h": 25
  },
  "luminance": 0.03143
}

Semantic roles & 50–950 ramp

primary

#581F1D

secondary

#448B8D

accent

#D5DA4E

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581F1D

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

Preview Lab → · Contrast checker → · Palette generator →