#831F25#831F25

#831F25 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.135 H 22.5°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX#831F25
RGBrgb(131, 31, 37)
HSLhsl(356, 62%, 32%)
HSVhsv(356, 76%, 51%)
CMYKcmyk(0%, 76.3%, 71.8%, 48.6%)
CIE-LABlab(29.26, 42.40, 22.27)
CIE-LCHlch(29.26, 47.89, 27.71°)
OKLaboklab(40.66% 0.1243 0.0516)
OKLCHoklch(40.66% 0.135 22.5)
XYZxyz(10.1851, 5.9404, 2.3602)
Luminance0.0594 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#831F25 #1F837D
analogous
#831F57 #831F25 #834B1F
triadic
#831F25 #25831F #1F2583
tetradic
#831F25 #57831F #1F837D #4B1F83
square
#831F25 #57831F #1F837D #4B1F83
split-complementary
#831F25 #1F834B #1F5783
monochromatic
#200809 #521317 #831F25 #B42B33 #D44951

Accessibility & contrast

On white

9.60
#831F25 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.19
#831F25 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F25
9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##831F25#FFFFFF#000000##FFFFFF
##831F251.009.602.199.60
#FFFFFF9.601.0021.001.00
#0000002.1921.001.0021.00
##FFFFFF9.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C3724
Deuteranopia (green-blind)
#554D22
Tritanopia (blue-blind)
#900022
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #831f25;
/* rgb */ color: rgb(131, 31, 37);
/* oklch */ color: oklch(40.7% 0.135 22.5);
Tailwind
colors: {
  custom: {
    50: '#ae635f',
    500: '#831f25',
    950: '#000000',
  },
}
SCSS
$custom: #831f25;
$custom-light: #ae635f;
$custom-dark: #000000;
JSON
{
  "hex": "#831f25",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 37
  },
  "hsl": {
    "h": 356.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40661,
    "c": 0.1346,
    "h": 22.5
  },
  "luminance": 0.05939
}

Semantic roles & 50–950 ramp

primary
#831F25
secondary
#48B6AF
accent
#E5DB43
background
#FBF6F5
surface
#F6EBE9
border
#D0C6C5
text
#120604
muted
#817A79

Preview Lab

Preview with #831F25

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

Preview Lab → · Contrast checker → · Palette generator →

#831F25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva