#571813#571813

#571813 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.2% C 0.094 H 28.3°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX#571813
RGBrgb(87, 24, 19)
HSLhsl(4, 64%, 21%)
HSVhsv(4, 78%, 34%)
CMYKcmyk(0%, 72.4%, 78.2%, 65.9%)
CIE-LABlab(18.92, 28.69, 19.57)
CIE-LCHlch(18.92, 34.73, 34.30°)
OKLaboklab(31.2% 0.0828 0.0445)
OKLCHoklch(31.2% 0.094 28.3)
XYZxyz(4.3751, 2.7272, 0.9120)
Luminance0.0273 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#571813 #135257
analogous
#571330 #571813 #573A13
triadic
#571813 #135718 #181357
tetradic
#571813 #305713 #135257 #3A1357
square
#571813 #305713 #135257 #3A1357
split-complementary
#571813 #13573A #133057
monochromatic
#190705 #250A08 #571813 #89261E #BB3429

Accessibility & contrast

On white

13.59
#571813 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.55
#571813 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571813
13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##571813#FFFFFF#000000##FFFFFF
##5718131.0013.591.5513.59
#FFFFFF13.591.0021.001.00
#0000001.5521.001.0021.00
##FFFFFF13.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A2512
Deuteranopia (green-blind)
#393311
Tritanopia (blue-blind)
#600717
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #571813;
/* rgb */ color: rgb(87, 24, 19);
/* oklch */ color: oklch(31.2% 0.094 28.3);
Tailwind
colors: {
  custom: {
    50: '#8c5950',
    500: '#571813',
    950: '#000000',
  },
}
SCSS
$custom: #571813;
$custom-light: #8c5950;
$custom-dark: #000000;
JSON
{
  "hex": "#571813",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 19
  },
  "hsl": {
    "h": 4.412,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.312,
    "c": 0.09401,
    "h": 28.3
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary
#571813
secondary
#36898F
accent
#DBE741
background
#F9F5F4
surface
#F1E9E7
border
#CBC5C3
text
#0D0402
muted
#7E7978

Preview Lab

Preview with #571813

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

Preview Lab → · Contrast checker → · Palette generator →

#571813 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva