#811818#811818

#811818 is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.5% C 0.140 H 26.5°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX#811818
RGBrgb(129, 24, 24)
HSLhsl(0, 69%, 30%)
HSVhsv(0, 81%, 51%)
CMYKcmyk(0%, 81.4%, 81.4%, 49.4%)
CIE-LABlab(27.81, 43.57, 28.67)
CIE-LCHlch(27.81, 52.15, 33.35°)
OKLaboklab(39.45% 0.1253 0.0625)
OKLCHoklch(39.45% 0.14 26.5)
XYZxyz(9.5459, 5.3879, 1.4013)
Luminance0.0539 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#811818 #188181
analogous
#81184D #811818 #814C18
triadic
#811818 #188118 #181881
tetradic
#811818 #4D8118 #188181 #4C1881
square
#811818 #4D8118 #188181 #4C1881
split-complementary
#811818 #18814D #184C81
monochromatic
#1A0505 #4D0E0E #811818 #B52222 #DA3939

Accessibility & contrast

On white

10.11
#811818 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#811818 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811818
10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##811818#FFFFFF#000000##FFFFFF
##8118181.0010.112.0810.11
#FFFFFF10.111.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393317
Deuteranopia (green-blind)
#534A13
Tritanopia (blue-blind)
#8F001A
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #811818;
/* rgb */ color: rgb(129, 24, 24);
/* oklch */ color: oklch(39.5% 0.140 26.5);
Tailwind
colors: {
  custom: {
    50: '#ae6055',
    500: '#811818',
    950: '#000000',
  },
}
SCSS
$custom: #811818;
$custom-light: #ae6055;
$custom-dark: #000000;
JSON
{
  "hex": "#811818",
  "rgb": {
    "r": 129,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 0,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.39453,
    "c": 0.14,
    "h": 26.5
  },
  "luminance": 0.05386
}

Semantic roles & 50–950 ramp

primary
#811818
secondary
#40B5B5
accent
#EBEB3C
background
#FBF5F5
surface
#F6EAE8
border
#D0C6C4
text
#120503
muted
#817978

Preview Lab

Preview with #811818

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

Preview Lab → · Contrast checker → · Palette generator →

#811818 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva