#581D21#581D21

#581D21 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.4% C 0.087 H 19.4°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#581D21
RGB	rgb(88, 29, 33)
HSL	hsl(356, 50%, 23%)
HSV	hsv(356, 67%, 35%)
CMYK	cmyk(0%, 67%, 62.5%, 65.5%)
CIE-LAB	lab(20.30, 27.57, 11.82)
CIE-LCH	lch(20.30, 30.00, 23.21°)
OKLab	oklab(32.36% 0.0822 0.029)
OKLCH	oklch(32.36% 0.087 19.4)
XYZ	xyz(4.7388, 3.0639, 1.7804)
Luminance	0.0306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D21 #1D5854

analogous

#581D3E #581D21 #58361D

triadic

#581D21 #21581D #1D2158

tetradic

#581D21 #3E581D #1D5854 #361D58

square

#581D21 #3E581D #1D5854 #361D58

split-complementary

#581D21 #1D5836 #1D3E58

monochromatic

#170809 #2A0E10 #581D21 #862C32 #B43B44

Accessibility & contrast

On white

13.02

#581D21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#581D21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D21

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D21	#FFFFFF	#000000	##FFFFFF
##581D21	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2921

Deuteranopia (green-blind)

#3A3620

Tritanopia (blue-blind)

#61121F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #581d21;
/* rgb */ color: rgb(88, 29, 33);
/* oklch */ color: oklch(32.4% 0.087 19.4);

Tailwind

colors: {
  custom: {
    50: '#8b5c5c',
    500: '#581d21',
    950: '#000000',
  },
}

SCSS

$custom: #581d21;
$custom-light: #8b5c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#581d21",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 33
  },
  "hsl": {
    "h": 355.932,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32357,
    "c": 0.08718,
    "h": 19.4
  },
  "luminance": 0.03063
}

Semantic roles & 50–950 ramp

primary

#581D21

secondary

#448D88

accent

#DAD04E

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0404

muted

#7D7979

Preview Lab

Preview with #581D21

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

Preview Lab → · Contrast checker → · Palette generator →