#83231B#83231B

#83231B is a dark, vivid red. Relative luminance 0.061; OKLCH L 40.9% C 0.132 H 28.9°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#83231B
RGB	rgb(131, 35, 27)
HSL	hsl(5, 66%, 31%)
HSV	hsv(5, 79%, 51%)
CMYK	cmyk(0%, 73.3%, 79.4%, 48.6%)
CIE-LAB	lab(29.68, 40.38, 28.97)
CIE-LCH	lch(29.68, 49.70, 35.65°)
OKLab	oklab(40.93% 0.1157 0.0639)
OKLCH	oklch(40.93% 0.132 28.9)
XYZ	xyz(10.1601, 6.1080, 1.6807)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83231B #1B7B83

analogous

#831B47 #83231B #83571B

triadic

#83231B #1B8323 #231B83

tetradic

#83231B #47831B #1B7B83 #571B83

square

#83231B #47831B #1B7B83 #571B83

split-complementary

#83231B #1B8357 #1B4783

monochromatic

#1E0806 #501511 #83231B #B63125 #D84C41

Accessibility & contrast

On white

9.45

#83231B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#83231B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83231B

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83231B	#FFFFFF	#000000	##FFFFFF
##83231B	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3919

Deuteranopia (green-blind)

#574E17

Tritanopia (blue-blind)

#910022

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #83231b;
/* rgb */ color: rgb(131, 35, 27);
/* oklch */ color: oklch(40.9% 0.132 28.9);

Tailwind

colors: {
  custom: {
    50: '#af6558',
    500: '#83231b',
    950: '#000000',
  },
}

SCSS

$custom: #83231b;
$custom-light: #af6558;
$custom-dark: #000000;

JSON

{
  "hex": "#83231b",
  "rgb": {
    "r": 131,
    "g": 35,
    "b": 27
  },
  "hsl": {
    "h": 4.615,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40932,
    "c": 0.13217,
    "h": 28.9
  },
  "luminance": 0.06106
}

Semantic roles & 50–950 ramp

primary

#83231B

secondary

#43AEB6

accent

#DCE93F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #83231B

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

Preview Lab → · Contrast checker → · Palette generator →