#581A1D#581A1D

#581A1D is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.091 H 21.2°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#581A1D
RGB	rgb(88, 26, 29)
HSL	hsl(357, 54%, 22%)
HSV	hsv(357, 70%, 35%)
CMYK	cmyk(0%, 70.5%, 67%, 65.5%)
CIE-LAB	lab(19.65, 28.76, 13.74)
CIE-LCH	lch(19.65, 31.87, 25.54°)
OKLab	oklab(31.84% 0.0852 0.0331)
OKLCH	oklch(31.84% 0.091 21.2)
XYZ	xyz(4.6161, 2.9028, 1.4794)
Luminance	0.0290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A1D #1A5855

analogous

#581A3C #581A1D #58361A

triadic

#581A1D #1D581A #1A1D58

tetradic

#581A1D #3C581A #1A5855 #361A58

square

#581A1D #3C581A #1A5855 #361A58

split-complementary

#581A1D #1A5836 #1A3C58

monochromatic

#180708 #290C0D #581A1D #87282D #B6363C

Accessibility & contrast

On white

13.29

#581A1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#581A1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A1D

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A1D	#FFFFFF	#000000	##FFFFFF
##581A1D	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271D

Deuteranopia (green-blind)

#3A341B

Tritanopia (blue-blind)

#610C1C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581a1d;
/* rgb */ color: rgb(88, 26, 29);
/* oklch */ color: oklch(31.8% 0.091 21.2);

Tailwind

colors: {
  custom: {
    50: '#8c5a58',
    500: '#581a1d',
    950: '#000000',
  },
}

SCSS

$custom: #581a1d;
$custom-light: #8c5a58;
$custom-dark: #000000;

JSON

{
  "hex": "#581a1d",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 29
  },
  "hsl": {
    "h": 357.097,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31844,
    "c": 0.09137,
    "h": 21.2
  },
  "luminance": 0.02902
}

Semantic roles & 50–950 ramp

primary

#581A1D

secondary

#408E8A

accent

#DED74A

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #581A1D

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

Preview Lab → · Contrast checker → · Palette generator →