#831D10#831D10

#831D10 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.139 H 30.9°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#831D10
RGBrgb(131, 29, 16)
HSLhsl(7, 78%, 29%)
HSVhsv(7, 88%, 51%)
CMYKcmyk(0%, 77.9%, 87.8%, 48.6%)
CIE-LABlab(28.75, 42.30, 34.22)
CIE-LCHlch(28.75, 54.41, 38.97°)
OKLaboklab(40.21% 0.1194 0.0714)
OKLCHoklch(40.21% 0.139 30.9)
XYZxyz(9.8942, 5.7430, 1.0777)
Luminance0.0574 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#831D10 #107683
analogous
#83103D #831D10 #835710
triadic
#831D10 #10831D #1D1083
tetradic
#831D10 #3D8310 #107683 #571083
square
#831D10 #3D8310 #107683 #571083
split-complementary
#831D10 #108357 #103D83
monochromatic
#1B0603 #4C1109 #831D10 #BA2917 #E53E29

Accessibility & contrast

On white

9.78
#831D10 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.15
#831D10 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D10
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##831D10#FFFFFF#000000##FFFFFF
##831D101.009.782.159.78
#FFFFFF9.781.0021.001.00
#0000002.1521.001.0021.00
##FFFFFF9.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D350D
Deuteranopia (green-blind)
#564C09
Tritanopia (blue-blind)
#91001B
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #831d10;
/* rgb */ color: rgb(131, 29, 16);
/* oklch */ color: oklch(40.2% 0.139 30.9);
Tailwind
colors: {
  custom: {
    50: '#b06250',
    500: '#831d10',
    950: '#000000',
  },
}
SCSS
$custom: #831d10;
$custom-light: #b06250;
$custom-dark: #000000;
JSON
{
  "hex": "#831d10",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 16
  },
  "hsl": {
    "h": 6.783,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40205,
    "c": 0.13916,
    "h": 30.9
  },
  "luminance": 0.05741
}

Semantic roles & 50–950 ramp

primary
#831D10
secondary
#36AAB9
accent
#DFF533
background
#FBF6F4
surface
#F7EBE7
border
#D0C6C3
text
#120502
muted
#817A78

Preview Lab

Preview with #831D10

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

Preview Lab → · Contrast checker → · Palette generator →

#831D10 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva