#831016#831016

#831016 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.3% C 0.148 H 25.6°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#831016
RGB	rgb(131, 16, 22)
HSL	hsl(357, 78%, 29%)
HSV	hsv(357, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 83.2%, 48.6%)
CIE-LAB	lab(27.45, 46.30, 29.64)
CIE-LCH	lch(27.45, 54.98, 32.63°)
OKLab	oklab(39.25% 0.1332 0.0637)
OKLCH	oklch(39.25% 0.148 25.6)
XYZ	xyz(9.6914, 5.2554, 1.2630)
Luminance	0.0525 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831016 #10837D

analogous

#831050 #831016 #834410

triadic

#831016 #168310 #101683

tetradic

#831016 #508310 #10837D #441083

square

#831016 #508310 #10837D #441083

split-complementary

#831016 #108344 #105083

monochromatic

#1B0305 #4C090D #831016 #BA171F #E52932

Accessibility & contrast

On white

10.24

#831016 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#831016 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831016

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831016	#FFFFFF	#000000	##FFFFFF
##831016	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373115

Deuteranopia (green-blind)

#534910

Tritanopia (blue-blind)

#910014

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831016;
/* rgb */ color: rgb(131, 16, 22);
/* oklch */ color: oklch(39.3% 0.148 25.6);

Tailwind

colors: {
  custom: {
    50: '#b05d54',
    500: '#831016',
    950: '#000000',
  },
}

SCSS

$custom: #831016;
$custom-light: #b05d54;
$custom-dark: #000000;

JSON

{
  "hex": "#831016",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 22
  },
  "hsl": {
    "h": 356.87,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39253,
    "c": 0.14766,
    "h": 25.6
  },
  "luminance": 0.05254
}

Semantic roles & 50–950 ramp

primary

#831016

secondary

#36B9B2

accent

#F5EB33

background

#FBF5F4

surface

#F7EAE7

border

#D0C6C3

text

#120502

muted

#817978

Preview Lab

Preview with #831016

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

Preview Lab → · Contrast checker → · Palette generator →