#851F2B#851F2B

#851F2B is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.1% C 0.136 H 19.4°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX#851F2B
RGBrgb(133, 31, 43)
HSLhsl(353, 62%, 32%)
HSVhsv(353, 77%, 52%)
CMYKcmyk(0%, 76.7%, 67.7%, 47.8%)
CIE-LABlab(29.77, 43.39, 19.10)
CIE-LCHlch(29.77, 47.41, 23.76°)
OKLaboklab(41.15% 0.1286 0.0453)
OKLCHoklch(41.15% 0.136 19.4)
XYZxyz(10.6000, 6.1425, 2.9125)
Luminance0.0614 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#851F2B #1F8579
analogous
#851F5E #851F2B #85461F
triadic
#851F2B #2B851F #1F2B85
tetradic
#851F2B #5E851F #1F8579 #461F85
square
#851F2B #5E851F #1F8579 #461F85
split-complementary
#851F2B #1F8546 #1F5E85
monochromatic
#22080B #53131B #851F2B #B72B3B #D54A5A

Accessibility & contrast

On white

9.42
#851F2B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.23
#851F2B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851F2B
9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##851F2B#FFFFFF#000000##FFFFFF
##851F2B1.009.422.239.42
#FFFFFF9.421.0021.001.00
#0000002.2321.001.0021.00
##FFFFFF9.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C382B
Deuteranopia (green-blind)
#564E28
Tritanopia (blue-blind)
#920024
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #851f2b;
/* rgb */ color: rgb(133, 31, 43);
/* oklch */ color: oklch(41.1% 0.136 19.4);
Tailwind
colors: {
  custom: {
    50: '#af6464',
    500: '#851f2b',
    950: '#000000',
  },
}
SCSS
$custom: #851f2b;
$custom-light: #af6464;
$custom-dark: #000000;
JSON
{
  "hex": "#851f2b",
  "rgb": {
    "r": 133,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 352.941,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.41145,
    "c": 0.13631,
    "h": 19.4
  },
  "luminance": 0.06141
}

Semantic roles & 50–950 ramp

primary
#851F2B
secondary
#49B7AA
accent
#E5D243
background
#FBF6F5
surface
#F6EBEA
border
#D0C6C6
text
#120605
muted
#817A79

Preview Lab

Preview with #851F2B

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

Preview Lab → · Contrast checker → · Palette generator →

#851F2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva