#57180C#57180C

#57180C is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.095 H 32.9°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX#57180C
RGBrgb(87, 24, 12)
HSLhsl(10, 76%, 19%)
HSVhsv(10, 86%, 34%)
CMYKcmyk(0%, 72.4%, 86.2%, 65.9%)
CIE-LABlab(18.83, 28.37, 23.27)
CIE-LCHlch(18.83, 36.69, 39.37°)
OKLaboklab(31.11% 0.0802 0.0518)
OKLCHoklch(31.11% 0.095 32.9)
XYZxyz(4.3240, 2.7067, 0.6425)
Luminance0.0271 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#57180C #0C4B57
analogous
#570C26 #57180C #573E0C
triadic
#57180C #0C5718 #180C57
tetradic
#57180C #26570C #0C4B57 #3E0C57
square
#57180C #26570C #0C4B57 #3E0C57
split-complementary
#57180C #0C573E #0C2657
monochromatic
#1B0704 #210905 #57180C #8D2713 #C3361B

Accessibility & contrast

On white

13.63
#57180C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.54
#57180C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57180C
13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##57180C#FFFFFF#000000##FFFFFF
##57180C1.0013.631.5413.63
#FFFFFF13.631.0021.001.00
#0000001.5421.001.0021.00
##FFFFFF13.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A250A
Deuteranopia (green-blind)
#3A3309
Tritanopia (blue-blind)
#610516
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #57180c;
/* rgb */ color: rgb(87, 24, 12);
/* oklch */ color: oklch(31.1% 0.095 32.9);
Tailwind
colors: {
  custom: {
    50: '#8d594c',
    500: '#57180c',
    950: '#000000',
  },
}
SCSS
$custom: #57180c;
$custom-light: #8d594c;
$custom-dark: #000000;
JSON
{
  "hex": "#57180c",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 12
  },
  "hsl": {
    "h": 9.6,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31106,
    "c": 0.09549,
    "h": 32.9
  },
  "luminance": 0.02706
}

Semantic roles & 50–950 ramp

primary
#57180C
secondary
#2D8292
accent
#D4F235
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0401
muted
#7E7977

Preview Lab

Preview with #57180C

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

Preview Lab → · Contrast checker → · Palette generator →

#57180C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva