#73281B#73281B

#73281B is a dark, moderate red. Relative luminance 0.052; OKLCH L 38.7% C 0.109 H 32.1°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX#73281B
RGBrgb(115, 40, 27)
HSLhsl(9, 62%, 28%)
HSVhsv(9, 77%, 45%)
CMYKcmyk(0%, 65.2%, 76.5%, 54.9%)
CIE-LABlab(27.42, 32.24, 25.60)
CIE-LCHlch(27.42, 41.17, 38.46°)
OKLaboklab(38.66% 0.0922 0.0577)
OKLCHoklch(38.66% 0.109 32.1)
XYZxyz(8.0277, 5.2427, 1.6259)
Luminance0.0524 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#73281B #1B6673
analogous
#731B3A #73281B #73541B
triadic
#73281B #1B7328 #281B73
tetradic
#73281B #3A731B #1B6673 #541B73
square
#73281B #3A731B #1B6673 #541B73
split-complementary
#73281B #1B7354 #1B3A73
monochromatic
#190906 #41170F #73281B #A53927 #D04F38

Accessibility & contrast

On white

10.25
#73281B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#73281B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73281B
10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##73281B#FFFFFF#000000##FFFFFF
##73281B1.0010.252.0510.25
#FFFFFF10.251.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D3619
Deuteranopia (green-blind)
#4F4719
Tritanopia (blue-blind)
#7F1625
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #73281b;
/* rgb */ color: rgb(115, 40, 27);
/* oklch */ color: oklch(38.7% 0.109 32.1);
Tailwind
colors: {
  custom: {
    50: '#a26658',
    500: '#73281b',
    950: '#000000',
  },
}
SCSS
$custom: #73281b;
$custom-light: #a26658;
$custom-dark: #000000;
JSON
{
  "hex": "#73281b",
  "rgb": {
    "r": 115,
    "g": 40,
    "b": 27
  },
  "hsl": {
    "h": 8.864,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38655,
    "c": 0.10875,
    "h": 32.1
  },
  "luminance": 0.05242
}

Semantic roles & 50–950 ramp

primary
#73281B
secondary
#4299A8
accent
#CDE543
background
#FAF6F5
surface
#F4EBE9
border
#CEC6C5
text
#100603
muted
#7F7A78

Preview Lab

Preview with #73281B

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

Preview Lab → · Contrast checker → · Palette generator →

#73281B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva