#581820#581820

#581820 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.094 H 17.2°. Best body text is #FFFFFF at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#581820
RGB	rgb(88, 24, 32)
HSL	hsl(353, 57%, 22%)
HSV	hsv(353, 73%, 35%)
CMYK	cmyk(0%, 72.7%, 63.6%, 65.5%)
CIE-LAB	lab(19.36, 29.95, 11.28)
CIE-LCH	lch(19.36, 32.00, 20.63°)
OKLab	oklab(31.65% 0.0896 0.0277)
OKLCH	oklch(31.65% 0.094 17.2)
XYZ	xyz(4.6123, 2.8329, 1.6701)
Luminance	0.0283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581820 #185850

analogous

#581840 #581820 #583018

triadic

#581820 #205818 #182058

tetradic

#581820 #405818 #185850 #301858

square

#581820 #405818 #185850 #301858

split-complementary

#581820 #185830 #184058

monochromatic

#180709 #280B0F #581820 #882531 #B83243

Accessibility & contrast

On white

13.41

#581820 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#581820 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581820

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581820	#FFFFFF	#000000	##FFFFFF
##581820	1.00	13.41	1.57	13.41
#FFFFFF	13.41	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282620

Deuteranopia (green-blind)

#39341E

Tritanopia (blue-blind)

#610A1B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581820;
/* rgb */ color: rgb(88, 24, 32);
/* oklch */ color: oklch(31.6% 0.094 17.2);

Tailwind

colors: {
  custom: {
    50: '#8c595b',
    500: '#581820',
    950: '#000000',
  },
}

SCSS

$custom: #581820;
$custom-light: #8c595b;
$custom-dark: #000000;

JSON

{
  "hex": "#581820",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 32
  },
  "hsl": {
    "h": 352.5,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31649,
    "c": 0.09376,
    "h": 17.2
  },
  "luminance": 0.02832
}

Semantic roles & 50–950 ramp

primary

#581820

secondary

#3D8F84

accent

#E0CD47

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0404

muted

#7E7979

Preview Lab

Preview with #581820

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

Preview Lab → · Contrast checker → · Palette generator →