#83102C#83102C

#83102C is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.6% C 0.147 H 15.0°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#83102C
RGB	rgb(131, 16, 44)
HSL	hsl(345, 78%, 29%)
HSV	hsv(345, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 66.4%, 48.6%)
CIE-LAB	lab(27.79, 47.30, 15.81)
CIE-LCH	lch(27.79, 49.88, 18.48°)
OKLab	oklab(39.61% 0.1417 0.038)
OKLCH	oklch(39.61% 0.147 15)
XYZ	xyz(10.0011, 5.3793, 2.8941)
Luminance	0.0538 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83102C #108367

analogous

#831066 #83102C #832E10

triadic

#83102C #2C8310 #102C83

tetradic

#83102C #668310 #108367 #2E1083

square

#83102C #668310 #108367 #2E1083

split-complementary

#83102C #10832E #106683

monochromatic

#1B0309 #4C091A #83102C #BA173E #E52956

Accessibility & contrast

On white

10.12

#83102C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#83102C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83102C

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83102C	#FFFFFF	#000000	##FFFFFF
##83102C	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34332C

Deuteranopia (green-blind)

#514A29

Tritanopia (blue-blind)

#90001D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #83102c;
/* rgb */ color: rgb(131, 16, 44);
/* oklch */ color: oklch(39.6% 0.147 15.0);

Tailwind

colors: {
  custom: {
    50: '#ae5e64',
    500: '#83102c',
    950: '#000000',
  },
}

SCSS

$custom: #83102c;
$custom-light: #ae5e64;
$custom-dark: #000000;

JSON

{
  "hex": "#83102c",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 44
  },
  "hsl": {
    "h": 345.391,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39612,
    "c": 0.14668,
    "h": 15
  },
  "luminance": 0.05378
}

Semantic roles & 50–950 ramp

primary

#83102C

secondary

#36B999

accent

#F5C633

background

#FBF5F6

surface

#F6EAEB

border

#D0C6C6

text

#120505

muted

#81797A

Preview Lab

Preview with #83102C

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

Preview Lab → · Contrast checker → · Palette generator →