#83101E#83101E

#83101E is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.4% C 0.147 H 22.2°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#83101E
RGB	rgb(131, 16, 30)
HSL	hsl(353, 78%, 29%)
HSV	hsv(353, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 77.1%, 48.6%)
CIE-LAB	lab(27.55, 46.60, 24.76)
CIE-LCH	lch(27.55, 52.77, 27.99°)
OKLab	oklab(39.36% 0.136 0.0556)
OKLCH	oklch(39.36% 0.147 22.2)
XYZ	xyz(9.7809, 5.2912, 1.7344)
Luminance	0.0529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83101E #108375

analogous

#831058 #83101E #833C10

triadic

#83101E #1E8310 #101E83

tetradic

#83101E #588310 #108375 #3C1083

square

#83101E #588310 #108375 #3C1083

split-complementary

#83101E #10833C #105883

monochromatic

#1B0306 #4C0912 #83101E #BA172A #E52940

Accessibility & contrast

On white

10.20

#83101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#83101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83101E

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83101E	#FFFFFF	#000000	##FFFFFF
##83101E	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36321D

Deuteranopia (green-blind)

#524A1A

Tritanopia (blue-blind)

#910017

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #83101e;
/* rgb */ color: rgb(131, 16, 30);
/* oklch */ color: oklch(39.4% 0.147 22.2);

Tailwind

colors: {
  custom: {
    50: '#af5e59',
    500: '#83101e',
    950: '#000000',
  },
}

SCSS

$custom: #83101e;
$custom-light: #af5e59;
$custom-dark: #000000;

JSON

{
  "hex": "#83101e",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 352.696,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39358,
    "c": 0.14694,
    "h": 22.2
  },
  "luminance": 0.0529
}

Semantic roles & 50–950 ramp

primary

#83101E

secondary

#36B9A9

accent

#F5DD33

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #83101E

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

Preview Lab → · Contrast checker → · Palette generator →