#811D2B#811D2B

#811D2B is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.134 H 18.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX#811D2B
RGBrgb(129, 29, 43)
HSLhsl(352, 63%, 31%)
HSVhsv(352, 78%, 51%)
CMYKcmyk(0%, 77.5%, 66.7%, 49.4%)
CIE-LABlab(28.70, 42.82, 17.57)
CIE-LCHlch(28.70, 46.28, 22.31°)
OKLaboklab(40.2% 0.1273 0.042)
OKLCHoklch(40.2% 0.134 18.3)
XYZxyz(9.9297, 5.7218, 2.8666)
Luminance0.0572 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#811D2B #1D8173
analogous
#811D5D #811D2B #81411D
triadic
#811D2B #2B811D #1D2B81
tetradic
#811D2B #5D811D #1D8173 #411D81
square
#811D2B #5D811D #1D8173 #411D81
split-complementary
#811D2B #1D8141 #1D5D81
monochromatic
#1D070A #4F121A #811D2B #B3283C #D54458

Accessibility & contrast

On white

9.79
#811D2B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.14
#811D2B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811D2B
9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##811D2B#FFFFFF#000000##FFFFFF
##811D2B1.009.792.149.79
#FFFFFF9.791.0021.001.00
#0000002.1421.001.0021.00
##FFFFFF9.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#39362B
Deuteranopia (green-blind)
#534B28
Tritanopia (blue-blind)
#8E0023
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #811d2b;
/* rgb */ color: rgb(129, 29, 43);
/* oklch */ color: oklch(40.2% 0.134 18.3);
Tailwind
colors: {
  custom: {
    50: '#ac6264',
    500: '#811d2b',
    950: '#000000',
  },
}
SCSS
$custom: #811d2b;
$custom-light: #ac6264;
$custom-dark: #000000;
JSON
{
  "hex": "#811d2b",
  "rgb": {
    "r": 129,
    "g": 29,
    "b": 43
  },
  "hsl": {
    "h": 351.6,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40204,
    "c": 0.13404,
    "h": 18.3
  },
  "luminance": 0.0572
}

Semantic roles & 50–950 ramp

primary
#811D2B
secondary
#46B4A5
accent
#E6CF41
background
#FBF6F5
surface
#F6EBEA
border
#D0C6C6
text
#110605
muted
#807A79

Preview Lab

Preview with #811D2B

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

Preview Lab → · Contrast checker → · Palette generator →

#811D2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva