#831F28#831F28

#831F28 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.7% C 0.134 H 20.9°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#831F28
RGB	rgb(131, 31, 40)
HSL	hsl(355, 62%, 32%)
HSV	hsv(355, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 69.5%, 48.6%)
CIE-LAB	lab(29.31, 42.56, 20.39)
CIE-LCH	lch(29.31, 47.20, 25.60°)
OKLab	oklab(40.71% 0.1255 0.0479)
OKLCH	oklch(40.71% 0.134 20.9)
XYZ	xyz(10.2342, 5.9600, 2.6186)
Luminance	0.0596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F28 #1F837A

analogous

#831F5A #831F28 #83481F

triadic

#831F28 #28831F #1F2883

tetradic

#831F28 #5A831F #1F837A #481F83

square

#831F28 #5A831F #1F837A #481F83

split-complementary

#831F28 #1F8348 #1F5A83

monochromatic

#20080A #521319 #831F28 #B42B37 #D44955

Accessibility & contrast

On white

9.58

#831F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F28

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F28	#FFFFFF	#000000	##FFFFFF
##831F28	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3728

Deuteranopia (green-blind)

#554D25

Tritanopia (blue-blind)

#900023

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831f28;
/* rgb */ color: rgb(131, 31, 40);
/* oklch */ color: oklch(40.7% 0.134 20.9);

Tailwind

colors: {
  custom: {
    50: '#ae6361',
    500: '#831f28',
    950: '#000000',
  },
}

SCSS

$custom: #831f28;
$custom-light: #ae6361;
$custom-dark: #000000;

JSON

{
  "hex": "#831f28",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 40
  },
  "hsl": {
    "h": 354.6,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40714,
    "c": 0.13436,
    "h": 20.9
  },
  "luminance": 0.05958
}

Semantic roles & 50–950 ramp

primary

#831F28

secondary

#48B6AC

accent

#E5D643

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120605

muted

#817A79

Preview Lab

Preview with #831F28

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

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