#8B371F#8B371F

#8B371F is a dark, vivid red. Relative luminance 0.083; OKLCH L 45.0% C 0.121 H 36.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX#8B371F
RGBrgb(139, 55, 31)
HSLhsl(13, 64%, 33%)
HSVhsv(13, 78%, 55%)
CMYKcmyk(0%, 60.4%, 77.7%, 45.5%)
CIE-LABlab(34.64, 34.35, 32.38)
CIE-LCHlch(34.64, 47.21, 43.31°)
OKLaboklab(44.96% 0.0968 0.0719)
OKLCHoklch(44.96% 0.121 36.6)
XYZxyz(12.2623, 8.3219, 2.2566)
Luminance0.0832 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#8B371F #1F738B
analogous
#8B1F3D #8B371F #8B6D1F
triadic
#8B371F #1F8B37 #371F8B
tetradic
#8B371F #3D8B1F #1F738B #6D1F8B
square
#8B371F #3D8B1F #1F738B #6D1F8B
split-complementary
#8B371F #1F8B6D #1F3D8B
monochromatic
#270F09 #592314 #8B371F #BD4B2A #D76C4D

Accessibility & contrast

On white

7.88
#8B371F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#8B371F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8B371F
7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##8B371F#FFFFFF#000000##FFFFFF
##8B371F1.007.882.667.88
#FFFFFF7.881.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E461C
Deuteranopia (green-blind)
#63581C
Tritanopia (blue-blind)
#992432
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #8b371f;
/* rgb */ color: rgb(139, 55, 31);
/* oklch */ color: oklch(45.0% 0.121 36.6);
Tailwind
colors: {
  custom: {
    50: '#b4715c',
    500: '#8b371f',
    950: '#000000',
  },
}
SCSS
$custom: #8b371f;
$custom-light: #b4715c;
$custom-dark: #000000;
JSON
{
  "hex": "#8b371f",
  "rgb": {
    "r": 139,
    "g": 55,
    "b": 31
  },
  "hsl": {
    "h": 13.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44959,
    "c": 0.12058,
    "h": 36.6
  },
  "luminance": 0.0832
}

Semantic roles & 50–950 ramp

primary
#8B371F
secondary
#4CA2BA
accent
#C2E741
background
#FBF6F5
surface
#F7ECE9
border
#D0C7C5
text
#120804
muted
#817B79

Preview Lab

Preview with #8B371F

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

Preview Lab → · Contrast checker → · Palette generator →

#8B371F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva