#531111#531111

#531111 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.097 H 25.4°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX#531111
RGBrgb(83, 17, 17)
HSLhsl(0, 66%, 20%)
HSVhsv(0, 80%, 33%)
CMYKcmyk(0%, 79.5%, 79.5%, 67.5%)
CIE-LABlab(16.90, 30.20, 18.17)
CIE-LCHlch(16.90, 35.24, 31.03°)
OKLaboklab(29.53% 0.0877 0.0417)
OKLCHoklch(29.53% 0.097 25.4)
XYZxyz(3.8693, 2.2810, 0.7667)
Luminance0.0228 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#531111 #115353
analogous
#531132 #531111 #533211
triadic
#531111 #115311 #111153
tetradic
#531111 #325311 #115353 #321153
square
#531111 #325311 #115353 #321153
split-complementary
#531111 #115332 #113253
monochromatic
#190505 #200707 #531111 #861B1B #B92626

Accessibility & contrast

On white

14.42
#531111 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.46
#531111 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531111
14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##531111#FFFFFF#000000##FFFFFF
##5311111.0014.421.4614.42
#FFFFFF14.421.0021.001.00
#0000001.4621.001.0021.00
##FFFFFF14.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#242110
Deuteranopia (green-blind)
#352F0F
Tritanopia (blue-blind)
#5C0012
Achromatopsia (no color)
#2A2A2A

Design tokens & code

CSS
--color: #531111;
/* rgb */ color: rgb(83, 17, 17);
/* oklch */ color: oklch(29.5% 0.097 25.4);
Tailwind
colors: {
  custom: {
    50: '#89554f',
    500: '#531111',
    950: '#000000',
  },
}
SCSS
$custom: #531111;
$custom-light: #89554f;
$custom-dark: #000000;
JSON
{
  "hex": "#531111",
  "rgb": {
    "r": 83,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 66,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29525,
    "c": 0.09705,
    "h": 25.4
  },
  "luminance": 0.0228
}

Semantic roles & 50–950 ramp

primary
#531111
secondary
#348C8C
accent
#E9E93F
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0301
muted
#7E7877

Preview Lab

Preview with #531111

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

Preview Lab → · Contrast checker → · Palette generator →

#531111 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva