#731B2E#731B2E

#731B2E is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.4% C 0.121 H 13.0°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX#731B2E
RGBrgb(115, 27, 46)
HSLhsl(347, 62%, 28%)
HSVhsv(347, 77%, 45%)
CMYKcmyk(0%, 76.5%, 60%, 54.9%)
CIE-LABlab(25.64, 39.22, 11.01)
CIE-LCHlch(25.64, 40.73, 15.68°)
OKLaboklab(37.44% 0.1183 0.0274)
OKLCHoklch(37.44% 0.121 13)
XYZxyz(7.9561, 4.6271, 3.0584)
Luminance0.0463 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#731B2E #1B7360
analogous
#731B5A #731B2E #73341B
triadic
#731B2E #2E731B #1B2E73
tetradic
#731B2E #5A731B #1B7360 #341B73
square
#731B2E #5A731B #1B7360 #341B73
split-complementary
#731B2E #1B7334 #1B5A73
monochromatic
#19060A #410F1A #731B2E #A52742 #D03859

Accessibility & contrast

On white

10.91
#731B2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#731B2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731B2E
10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##731B2E#FFFFFF#000000##FFFFFF
##731B2E1.0010.911.9310.91
#FFFFFF10.911.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#32312E
Deuteranopia (green-blind)
#49432C
Tritanopia (blue-blind)
#7E0323
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #731b2e;
/* rgb */ color: rgb(115, 27, 46);
/* oklch */ color: oklch(37.4% 0.121 13.0);
Tailwind
colors: {
  custom: {
    50: '#a15f66',
    500: '#731b2e',
    950: '#000000',
  },
}
SCSS
$custom: #731b2e;
$custom-light: #a15f66;
$custom-dark: #000000;
JSON
{
  "hex": "#731b2e",
  "rgb": {
    "r": 115,
    "g": 27,
    "b": 46
  },
  "hsl": {
    "h": 347.045,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37441,
    "c": 0.12139,
    "h": 13
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary
#731B2E
secondary
#42A892
accent
#E5C243
background
#FAF5F6
surface
#F4EAEB
border
#CEC6C6
text
#100505
muted
#7F797A

Preview Lab

Preview with #731B2E

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

Preview Lab → · Contrast checker → · Palette generator →

#731B2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva