#831028#831028

#831028 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.5% C 0.147 H 17.2°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX#831028
RGBrgb(131, 16, 40)
HSLhsl(347, 78%, 29%)
HSVhsv(347, 88%, 51%)
CMYKcmyk(0%, 87.8%, 69.5%, 48.6%)
CIE-LABlab(27.71, 47.08, 18.39)
CIE-LCHlch(27.71, 50.54, 21.34°)
OKLaboklab(39.53% 0.14 0.0434)
OKLCHoklch(39.53% 0.147 17.2)
XYZxyz(9.9295, 5.3507, 2.5170)
Luminance0.0535 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#831028 #10836B
analogous
#831062 #831028 #833210
triadic
#831028 #288310 #102883
tetradic
#831028 #628310 #10836B #321083
square
#831028 #628310 #10836B #321083
split-complementary
#831028 #108332 #106283
monochromatic
#1B0308 #4C0917 #831028 #BA1739 #E52950

Accessibility & contrast

On white

10.15
#831028 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.07
#831028 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831028
10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##831028#FFFFFF#000000##FFFFFF
##8310281.0010.152.0710.15
#FFFFFF10.151.0021.001.00
#0000002.0721.001.0021.00
##FFFFFF10.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353228
Deuteranopia (green-blind)
#514A25
Tritanopia (blue-blind)
#90001B
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #831028;
/* rgb */ color: rgb(131, 16, 40);
/* oklch */ color: oklch(39.5% 0.147 17.2);
Tailwind
colors: {
  custom: {
    50: '#ae5e61',
    500: '#831028',
    950: '#000000',
  },
}
SCSS
$custom: #831028;
$custom-light: #ae5e61;
$custom-dark: #000000;
JSON
{
  "hex": "#831028",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 40
  },
  "hsl": {
    "h": 347.478,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39529,
    "c": 0.14657,
    "h": 17.2
  },
  "luminance": 0.05349
}

Semantic roles & 50–950 ramp

primary
#831028
secondary
#36B99D
accent
#F5CC33
background
#FBF5F5
surface
#F6EAE9
border
#D0C6C5
text
#120505
muted
#817979

Preview Lab

Preview with #831028

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

Preview Lab → · Contrast checker → · Palette generator →

#831028 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva