#57180E#57180E

#57180E is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.095 H 31.7°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#57180E
RGB	rgb(87, 24, 14)
HSL	hsl(8, 72%, 20%)
HSV	hsv(8, 84%, 34%)
CMYK	cmyk(0%, 72.4%, 83.9%, 65.9%)
CIE-LAB	lab(18.85, 28.45, 22.34)
CIE-LCH	lch(18.85, 36.17, 38.14°)
OKLab	oklab(31.13% 0.0809 0.0499)
OKLCH	oklch(31.13% 0.095 31.7)
XYZ	xyz(4.3369, 2.7119, 0.7105)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57180E #0E4D57

analogous

#570E29 #57180E #573C0E

triadic

#57180E #0E5718 #180E57

tetradic

#57180E #29570E #0E4D57 #3C0E57

square

#57180E #29570E #0E4D57 #3C0E57

split-complementary

#57180E #0E573C #0E2957

monochromatic

#1A0704 #220906 #57180E #8C2716 #C0351F

Accessibility & contrast

On white

13.62

#57180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#57180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57180E

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57180E	#FFFFFF	#000000	##FFFFFF
##57180E	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250C

Deuteranopia (green-blind)

#3A330C

Tritanopia (blue-blind)

#600616

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #57180e;
/* rgb */ color: rgb(87, 24, 14);
/* oklch */ color: oklch(31.1% 0.095 31.7);

Tailwind

colors: {
  custom: {
    50: '#8d594d',
    500: '#57180e',
    950: '#000000',
  },
}

SCSS

$custom: #57180e;
$custom-light: #8d594d;
$custom-dark: #000000;

JSON

{
  "hex": "#57180e",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 8.219,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.3113,
    "c": 0.09506,
    "h": 31.7
  },
  "luminance": 0.02711
}

Semantic roles & 50–950 ramp

primary

#57180E

secondary

#308491

accent

#D6EF39

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #57180E

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

Preview Lab → · Contrast checker → · Palette generator →