#73221B#73221B

#73221B is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.9% C 0.115 H 28.6°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX#73221B
RGBrgb(115, 34, 27)
HSLhsl(5, 62%, 28%)
HSVhsv(5, 77%, 45%)
CMYKcmyk(0%, 70.4%, 76.5%, 54.9%)
CIE-LABlab(26.36, 35.08, 24.42)
CIE-LCHlch(26.36, 42.74, 34.84°)
OKLaboklab(37.86% 0.101 0.0552)
OKLCHoklch(37.86% 0.115 28.6)
XYZxyz(7.8409, 4.8692, 1.5637)
Luminance0.0487 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#73221B #1B6C73
analogous
#731B40 #73221B #734E1B
triadic
#73221B #1B7322 #221B73
tetradic
#73221B #40731B #1B6C73 #4E1B73
square
#73221B #40731B #1B6C73 #4E1B73
split-complementary
#73221B #1B734E #1B4073
monochromatic
#190706 #41130F #73221B #A53127 #D04438

Accessibility & contrast

On white

10.64
#73221B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.97
#73221B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73221B
10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##73221B#FFFFFF#000000##FFFFFF
##73221B1.0010.641.9710.64
#FFFFFF10.641.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#39331A
Deuteranopia (green-blind)
#4D4518
Tritanopia (blue-blind)
#7F0A21
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #73221b;
/* rgb */ color: rgb(115, 34, 27);
/* oklch */ color: oklch(37.9% 0.115 28.6);
Tailwind
colors: {
  custom: {
    50: '#a26257',
    500: '#73221b',
    950: '#000000',
  },
}
SCSS
$custom: #73221b;
$custom-light: #a26257;
$custom-dark: #000000;
JSON
{
  "hex": "#73221b",
  "rgb": {
    "r": 115,
    "g": 34,
    "b": 27
  },
  "hsl": {
    "h": 4.773,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37861,
    "c": 0.11512,
    "h": 28.6
  },
  "luminance": 0.04868
}

Semantic roles & 50–950 ramp

primary
#73221B
secondary
#42A0A8
accent
#D8E543
background
#FAF6F5
surface
#F4EBE9
border
#CEC6C5
text
#100503
muted
#7F7A78

Preview Lab

Preview with #73221B

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

Preview Lab → · Contrast checker → · Palette generator →

#73221B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva