#811B2F#811B2F

#811B2F is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.1% C 0.136 H 15.3°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX#811B2F
RGBrgb(129, 27, 47)
HSLhsl(348, 65%, 31%)
HSVhsv(348, 79%, 51%)
CMYKcmyk(0%, 79.1%, 63.6%, 49.4%)
CIE-LABlab(28.53, 43.77, 14.70)
CIE-LCHlch(28.53, 46.18, 18.56°)
OKLaboklab(40.11% 0.1312 0.0358)
OKLCHoklch(40.11% 0.136 15.3)
XYZxyz(9.9593, 5.6577, 3.2564)
Luminance0.0566 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#811B2F #1B816D
analogous
#811B62 #811B2F #813A1B
triadic
#811B2F #2F811B #1B2F81
tetradic
#811B2F #62811B #1B816D #3A1B81
square
#811B2F #62811B #1B816D #3A1B81
split-complementary
#811B2F #1B813A #1B6281
monochromatic
#1C060A #4E101D #811B2F #B42641 #D73F5D

Accessibility & contrast

On white

9.85
#811B2F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.13
#811B2F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811B2F
9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##811B2F#FFFFFF#000000##FFFFFF
##811B2F1.009.852.139.85
#FFFFFF9.851.0021.001.00
#0000002.1321.001.0021.00
##FFFFFF9.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38362F
Deuteranopia (green-blind)
#524B2C
Tritanopia (blue-blind)
#8E0024
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #811b2f;
/* rgb */ color: rgb(129, 27, 47);
/* oklch */ color: oklch(40.1% 0.136 15.3);
Tailwind
colors: {
  custom: {
    50: '#ac6267',
    500: '#811b2f',
    950: '#000000',
  },
}
SCSS
$custom: #811b2f;
$custom-light: #ac6267;
$custom-dark: #000000;
JSON
{
  "hex": "#811b2f",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 47
  },
  "hsl": {
    "h": 348.235,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40106,
    "c": 0.136,
    "h": 15.3
  },
  "luminance": 0.05656
}

Semantic roles & 50–950 ramp

primary
#811B2F
secondary
#43B59E
accent
#E8C73F
background
#FBF6F6
surface
#F6EBEB
border
#D0C6C6
text
#110506
muted
#807A7A

Preview Lab

Preview with #811B2F

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

Preview Lab → · Contrast checker → · Palette generator →

#811B2F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva