#581817#581817

#581817 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.5% C 0.095 H 25.2°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#581817
RGB	rgb(88, 24, 23)
HSL	hsl(1, 59%, 22%)
HSV	hsv(1, 74%, 35%)
CMYK	cmyk(0%, 72.7%, 73.9%, 65.5%)
CIE-LAB	lab(19.18, 29.31, 17.27)
CIE-LCH	lch(19.18, 34.02, 30.51°)
OKLab	oklab(31.46% 0.0856 0.0402)
OKLCH	oklch(31.46% 0.095 25.2)
XYZ	xyz(4.5063, 2.7905, 1.1118)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581817 #175758

analogous

#581737 #581817 #583917

triadic

#581817 #175818 #181758

tetradic

#581817 #375817 #175758 #391758

square

#581817 #375817 #175758 #391758

split-complementary

#581817 #175839 #173758

monochromatic

#180706 #270B0A #581817 #892524 #B93230

Accessibility & contrast

On white

13.48

#581817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#581817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581817

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581817	#FFFFFF	#000000	##FFFFFF
##581817	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2616

Deuteranopia (green-blind)

#3A3415

Tritanopia (blue-blind)

#610718

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581817;
/* rgb */ color: rgb(88, 24, 23);
/* oklch */ color: oklch(31.5% 0.095 25.2);

Tailwind

colors: {
  custom: {
    50: '#8d5954',
    500: '#581817',
    950: '#000000',
  },
}

SCSS

$custom: #581817;
$custom-light: #8d5954;
$custom-dark: #000000;

JSON

{
  "hex": "#581817",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 0.923,
    "s": 58.559,
    "l": 21.765
  },
  "oklch": {
    "l": 0.31459,
    "c": 0.09453,
    "h": 25.2
  },
  "luminance": 0.0279
}

Semantic roles & 50–950 ramp

primary

#581817

secondary

#3C8E8F

accent

#DFE246

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0402

muted

#7E7978

Preview Lab

Preview with #581817

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

Preview Lab → · Contrast checker → · Palette generator →