#83231C#83231C

#83231C is a dark, vivid red. Relative luminance 0.061; OKLCH L 40.9% C 0.132 H 28.5°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#83231C
RGB	rgb(131, 35, 28)
HSL	hsl(4, 65%, 31%)
HSV	hsv(4, 79%, 51%)
CMYK	cmyk(0%, 73.3%, 78.6%, 48.6%)
CIE-LAB	lab(29.70, 40.43, 28.38)
CIE-LCH	lch(29.70, 49.39, 35.07°)
OKLab	oklab(40.95% 0.116 0.0629)
OKLCH	oklch(40.95% 0.132 28.5)
XYZ	xyz(10.1719, 6.1127, 1.7427)
Luminance	0.0611 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83231C #1C7C83

analogous

#831C48 #83231C #83561C

triadic

#83231C #1C8323 #231C83

tetradic

#83231C #48831C #1C7C83 #561C83

square

#83231C #48831C #1C7C83 #561C83

split-complementary

#83231C #1C8356 #1C4883

monochromatic

#1E0806 #511611 #83231C #B53027 #D74D43

Accessibility & contrast

On white

9.45

#83231C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#83231C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83231C

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83231C	#FFFFFF	#000000	##FFFFFF
##83231C	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)

#3F391A

Deuteranopia (green-blind)

#574E18

Tritanopia (blue-blind)

#910022

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #83231c;
/* rgb */ color: rgb(131, 35, 28);
/* oklch */ color: oklch(40.9% 0.132 28.5);

Tailwind

colors: {
  custom: {
    50: '#af6559',
    500: '#83231c',
    950: '#000000',
  },
}

SCSS

$custom: #83231c;
$custom-light: #af6559;
$custom-dark: #000000;

JSON

{
  "hex": "#83231c",
  "rgb": {
    "r": 131,
    "g": 35,
    "b": 28
  },
  "hsl": {
    "h": 4.078,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40945,
    "c": 0.132,
    "h": 28.5
  },
  "luminance": 0.06111
}

Semantic roles & 50–950 ramp

primary

#83231C

secondary

#45AFB6

accent

#DCE840

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #83231C

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

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