#831110#831110

#831110 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.3% C 0.148 H 27.8°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#831110
RGB	rgb(131, 17, 16)
HSL	hsl(1, 78%, 29%)
HSV	hsv(1, 88%, 51%)
CMYK	cmyk(0%, 87%, 87.8%, 48.6%)
CIE-LAB	lab(27.48, 45.90, 33.11)
CIE-LCH	lch(27.48, 56.59, 35.80°)
OKLab	oklab(39.26% 0.1307 0.0688)
OKLCH	oklch(39.26% 0.148 27.8)
XYZ	xyz(9.6553, 5.2652, 0.9980)
Luminance	0.0526 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831110 #108283

analogous

#831049 #831110 #834B10

triadic

#831110 #108311 #111083

tetradic

#831110 #498310 #108283 #4B1083

square

#831110 #498310 #108283 #4B1083

split-complementary

#831110 #10834B #104983

monochromatic

#1B0403 #4C0A09 #831110 #BA1817 #E52A29

Accessibility & contrast

On white

10.23

#831110 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#831110 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831110

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831110	#FFFFFF	#000000	##FFFFFF
##831110	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38310E

Deuteranopia (green-blind)

#534A08

Tritanopia (blue-blind)

#910013

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831110;
/* rgb */ color: rgb(131, 17, 16);
/* oklch */ color: oklch(39.3% 0.148 27.8);

Tailwind

colors: {
  custom: {
    50: '#b05e4f',
    500: '#831110',
    950: '#000000',
  },
}

SCSS

$custom: #831110;
$custom-light: #b05e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#831110",
  "rgb": {
    "r": 131,
    "g": 17,
    "b": 16
  },
  "hsl": {
    "h": 0.522,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39256,
    "c": 0.1477,
    "h": 27.8
  },
  "luminance": 0.05264
}

Semantic roles & 50–950 ramp

primary

#831110

secondary

#36B8B9

accent

#F3F533

background

#FCF5F4

surface

#F8EAE7

border

#D1C6C3

text

#120502

muted

#817978

Preview Lab

Preview with #831110

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

Preview Lab → · Contrast checker → · Palette generator →