#581827#581827

#581827 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.8% C 0.094 H 10.3°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#581827
RGB	rgb(88, 24, 39)
HSL	hsl(346, 57%, 22%)
HSV	hsv(346, 73%, 35%)
CMYK	cmyk(0%, 72.7%, 55.7%, 65.5%)
CIE-LAB	lab(19.54, 30.58, 6.59)
CIE-LCH	lch(19.54, 31.28, 12.16°)
OKLab	oklab(31.84% 0.0927 0.0168)
OKLCH	oklch(31.84% 0.094 10.3)
XYZ	xyz(4.7177, 2.8751, 2.2256)
Luminance	0.0287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581827 #185849

analogous

#581847 #581827 #582918

triadic

#581827 #275818 #182758

tetradic

#581827 #475818 #185849 #291858

square

#581827 #475818 #185849 #291858

split-complementary

#581827 #185829 #184758

monochromatic

#18070B #280B12 #581827 #88253C #B83252

Accessibility & contrast

On white

13.34

#581827 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#581827 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581827

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581827	#FFFFFF	#000000	##FFFFFF
##581827	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272727

Deuteranopia (green-blind)

#383425

Tritanopia (blue-blind)

#600C1E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #581827;
/* rgb */ color: rgb(88, 24, 39);
/* oklch */ color: oklch(31.8% 0.094 10.3);

Tailwind

colors: {
  custom: {
    50: '#8b5a60',
    500: '#581827',
    950: '#000000',
  },
}

SCSS

$custom: #581827;
$custom-light: #8b5a60;
$custom-dark: #000000;

JSON

{
  "hex": "#581827",
  "rgb": {
    "r": 88,
    "g": 24,
    "b": 39
  },
  "hsl": {
    "h": 345.938,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31836,
    "c": 0.09424,
    "h": 10.3
  },
  "luminance": 0.02874
}

Semantic roles & 50–950 ramp

primary

#581827

secondary

#3D8F7C

accent

#E0BD47

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0D0405

muted

#7D7979

Preview Lab

Preview with #581827

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

Preview Lab → · Contrast checker → · Palette generator →