#581F21#581F21

#581F21 is a dark, moderate red. Relative luminance 0.032; OKLCH L 32.7% C 0.084 H 21.0°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#581F21
RGB	rgb(88, 31, 33)
HSL	hsl(358, 48%, 23%)
HSV	hsv(358, 65%, 35%)
CMYK	cmyk(0%, 64.8%, 62.5%, 65.5%)
CIE-LAB	lab(20.69, 26.52, 12.34)
CIE-LCH	lch(20.69, 29.25, 24.96°)
OKLab	oklab(32.65% 0.0789 0.0302)
OKLCH	oklch(32.65% 0.084 21)
XYZ	xyz(4.7894, 3.1651, 1.7973)
Luminance	0.0316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F21 #1F5856

analogous

#581F3D #581F21 #58391F

triadic

#581F21 #21581F #1F2158

tetradic

#581F21 #3D581F #1F5856 #391F58

square

#581F21 #3D581F #1F5856 #391F58

split-complementary

#581F21 #1F5839 #1F3D58

monochromatic

#170808 #2B0F10 #581F21 #852F32 #B33F43

Accessibility & contrast

On white

12.86

#581F21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#581F21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F21

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F21	#FFFFFF	#000000	##FFFFFF
##581F21	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A21

Deuteranopia (green-blind)

#3B3620

Tritanopia (blue-blind)

#611520

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #581f21;
/* rgb */ color: rgb(88, 31, 33);
/* oklch */ color: oklch(32.7% 0.084 21.0);

Tailwind

colors: {
  custom: {
    50: '#8b5d5c',
    500: '#581f21',
    950: '#000000',
  },
}

SCSS

$custom: #581f21;
$custom-light: #8b5d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#581f21",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 33
  },
  "hsl": {
    "h": 357.895,
    "s": 47.899,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32654,
    "c": 0.08448,
    "h": 21
  },
  "luminance": 0.03164
}

Semantic roles & 50–950 ramp

primary

#581F21

secondary

#468D8A

accent

#D7D350

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0404

muted

#7D7979

Preview Lab

Preview with #581F21

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

Preview Lab → · Contrast checker → · Palette generator →