#57111B#57111B

#57111B is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.101 H 17.9°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX#57111B
RGBrgb(87, 17, 27)
HSLhsl(351, 67%, 20%)
HSVhsv(351, 80%, 34%)
CMYKcmyk(0%, 80.5%, 69%, 65.9%)
CIE-LABlab(17.95, 32.23, 12.91)
CIE-LCHlch(17.95, 34.72, 21.83°)
OKLaboklab(30.52% 0.0959 0.031)
OKLCHoklch(30.52% 0.101 17.9)
XYZxyz(4.3292, 2.5069, 1.2926)
Luminance0.0251 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57111B #11574D
analogous
#57113E #57111B #572A11
triadic
#57111B #1B5711 #111B57
tetradic
#57111B #3E5711 #11574D #2A1157
square
#57111B #3E5711 #11574D #2A1157
split-complementary
#57111B #11572A #113E57
monochromatic
#1A0508 #24070B #57111B #8A1B2B #BD253B

Accessibility & contrast

On white

13.99
#57111B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.50
#57111B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57111B
13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57111B#FFFFFF#000000##FFFFFF
##57111B1.0013.991.5013.99
#FFFFFF13.991.0021.001.00
#0000001.5021.001.0021.00
##FFFFFF13.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#25231B
Deuteranopia (green-blind)
#363119
Tritanopia (blue-blind)
#600015
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #57111b;
/* rgb */ color: rgb(87, 17, 27);
/* oklch */ color: oklch(30.5% 0.101 17.9);
Tailwind
colors: {
  custom: {
    50: '#8c5657',
    500: '#57111b',
    950: '#000000',
  },
}
SCSS
$custom: #57111b;
$custom-light: #8c5657;
$custom-dark: #000000;
JSON
{
  "hex": "#57111b",
  "rgb": {
    "r": 87,
    "g": 17,
    "b": 27
  },
  "hsl": {
    "h": 351.429,
    "s": 67.308,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30524,
    "c": 0.10081,
    "h": 17.9
  },
  "luminance": 0.02506
}

Semantic roles & 50–950 ramp

primary
#57111B
secondary
#349083
accent
#EAD23E
background
#F9F5F5
surface
#F1E9E9
border
#CBC5C5
text
#0D0303
muted
#7E7878

Preview Lab

Preview with #57111B

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

Preview Lab → · Contrast checker → · Palette generator →

#57111B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva