#831310#831310

#831310 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.4% C 0.146 H 28.2°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#831310
RGB	rgb(131, 19, 16)
HSL	hsl(2, 78%, 29%)
HSV	hsv(2, 88%, 51%)
CMYK	cmyk(0%, 85.5%, 87.8%, 48.6%)
CIE-LAB	lab(27.66, 45.39, 33.26)
CIE-LCH	lch(27.66, 56.27, 36.23°)
OKLab	oklab(39.39% 0.1291 0.0692)
OKLCH	oklch(39.39% 0.146 28.2)
XYZ	xyz(9.6877, 5.3301, 1.0088)
Luminance	0.0533 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831310 #108083

analogous

#831047 #831310 #834D10

triadic

#831310 #108313 #131083

tetradic

#831310 #478310 #108083 #4D1083

square

#831310 #478310 #108083 #4D1083

split-complementary

#831310 #10834D #104783

monochromatic

#1B0403 #4C0B09 #831310 #BA1B17 #E52D29

Accessibility & contrast

On white

10.17

#831310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#831310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831310

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831310	#FFFFFF	#000000	##FFFFFF
##831310	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39320E

Deuteranopia (green-blind)

#544A09

Tritanopia (blue-blind)

#910014

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831310;
/* rgb */ color: rgb(131, 19, 16);
/* oklch */ color: oklch(39.4% 0.146 28.2);

Tailwind

colors: {
  custom: {
    50: '#b05e50',
    500: '#831310',
    950: '#000000',
  },
}

SCSS

$custom: #831310;
$custom-light: #b05e50;
$custom-dark: #000000;

JSON

{
  "hex": "#831310",
  "rgb": {
    "r": 131,
    "g": 19,
    "b": 16
  },
  "hsl": {
    "h": 1.565,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39387,
    "c": 0.14648,
    "h": 28.2
  },
  "luminance": 0.05328
}

Semantic roles & 50–950 ramp

primary

#831310

secondary

#36B5B9

accent

#F0F533

background

#FCF5F4

surface

#F8EAE7

border

#D1C6C3

text

#120502

muted

#817978

Preview Lab

Preview with #831310

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

Preview Lab → · Contrast checker → · Palette generator →