#581B20#581B20

#581B20 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.0% C 0.090 H 19.0°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#581B20
RGB	rgb(88, 27, 32)
HSL	hsl(355, 53%, 23%)
HSV	hsv(355, 69%, 35%)
CMYK	cmyk(0%, 69.3%, 63.6%, 65.5%)
CIE-LAB	lab(19.90, 28.50, 11.98)
CIE-LCH	lch(19.90, 30.92, 22.80°)
OKLab	oklab(32.05% 0.085 0.0293)
OKLCH	oklch(32.05% 0.09 19)
XYZ	xyz(4.6776, 2.9635, 1.6919)
Luminance	0.0296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B20 #1B5853

analogous

#581B3E #581B20 #58351B

triadic

#581B20 #20581B #1B2058

tetradic

#581B20 #3E581B #1B5853 #351B58

square

#581B20 #3E581B #1B5853 #351B58

split-complementary

#581B20 #1B5835 #1B3E58

monochromatic

#170709 #290D0F #581B20 #872931 #B63842

Accessibility & contrast

On white

13.19

#581B20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#581B20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B20

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B20	#FFFFFF	#000000	##FFFFFF
##581B20	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2820

Deuteranopia (green-blind)

#3A351E

Tritanopia (blue-blind)

#610F1D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #581b20;
/* rgb */ color: rgb(88, 27, 32);
/* oklch */ color: oklch(32.0% 0.090 19.0);

Tailwind

colors: {
  custom: {
    50: '#8c5b5b',
    500: '#581b20',
    950: '#000000',
  },
}

SCSS

$custom: #581b20;
$custom-light: #8c5b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#581b20",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 32
  },
  "hsl": {
    "h": 355.082,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32049,
    "c": 0.08988,
    "h": 19
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#581B20

secondary

#418E87

accent

#DCD14B

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0404

muted

#7E7979

Preview Lab

Preview with #581B20

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

Preview Lab → · Contrast checker → · Palette generator →