#831C2F#831C2F

#831C2F is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.137 H 15.9°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX#831C2F
RGBrgb(131, 28, 47)
HSLhsl(349, 65%, 31%)
HSVhsv(349, 79%, 51%)
CMYKcmyk(0%, 78.6%, 64.1%, 48.6%)
CIE-LABlab(29.06, 44.06, 15.47)
CIE-LCHlch(29.06, 46.70, 19.35°)
OKLaboklab(40.57% 0.1318 0.0376)
OKLCHoklch(40.57% 0.137 15.9)
XYZxyz(10.2895, 5.8626, 3.2786)
Luminance0.0586 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#831C2F #1C8370
analogous
#831C62 #831C2F #833C1C
triadic
#831C2F #2F831C #1C2F83
tetradic
#831C2F #62831C #1C8370 #3C1C83
square
#831C2F #62831C #1C8370 #3C1C83
split-complementary
#831C2F #1C833C #1C6283
monochromatic
#1E060B #51111D #831C2F #B52741 #D7435E

Accessibility & contrast

On white

9.67
#831C2F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#831C2F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C2F
9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##831C2F#FFFFFF#000000##FFFFFF
##831C2F1.009.672.179.67
#FFFFFF9.671.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#39372F
Deuteranopia (green-blind)
#534C2C
Tritanopia (blue-blind)
#900024
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #831c2f;
/* rgb */ color: rgb(131, 28, 47);
/* oklch */ color: oklch(40.6% 0.137 15.9);
Tailwind
colors: {
  custom: {
    50: '#ad6267',
    500: '#831c2f',
    950: '#000000',
  },
}
SCSS
$custom: #831c2f;
$custom-light: #ad6267;
$custom-dark: #000000;
JSON
{
  "hex": "#831c2f",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 47
  },
  "hsl": {
    "h": 348.932,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40573,
    "c": 0.13708,
    "h": 15.9
  },
  "luminance": 0.05861
}

Semantic roles & 50–950 ramp

primary
#831C2F
secondary
#45B6A1
accent
#E8C940
background
#FBF6F6
surface
#F6EBEB
border
#D0C6C6
text
#110606
muted
#807A7A

Preview Lab

Preview with #831C2F

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

Preview Lab → · Contrast checker → · Palette generator →

#831C2F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva