#831F2F#831F2F

#831F2F is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.134 H 16.8°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#831F2F
RGB	rgb(131, 31, 47)
HSL	hsl(350, 62%, 32%)
HSV	hsv(350, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 64.1%, 48.6%)
CIE-LAB	lab(29.44, 43.00, 15.97)
CIE-LCH	lch(29.44, 45.87, 20.38°)
OKLab	oklab(40.86% 0.1284 0.0387)
OKLCH	oklch(40.86% 0.134 16.8)
XYZ	xyz(10.3642, 6.0120, 3.3035)
Luminance	0.0601 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F2F #1F8373

analogous

#831F61 #831F2F #83411F

triadic

#831F2F #2F831F #1F2F83

tetradic

#831F2F #61831F #1F8373 #411F83

square

#831F2F #61831F #1F8373 #411F83

split-complementary

#831F2F #1F8341 #1F6183

monochromatic

#20080B #52131D #831F2F #B42B41 #D4495F

Accessibility & contrast

On white

9.54

#831F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#831F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F2F

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F2F	#FFFFFF	#000000	##FFFFFF
##831F2F	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B382F

Deuteranopia (green-blind)

#544D2C

Tritanopia (blue-blind)

#900026

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831f2f;
/* rgb */ color: rgb(131, 31, 47);
/* oklch */ color: oklch(40.9% 0.134 16.8);

Tailwind

colors: {
  custom: {
    50: '#ad6467',
    500: '#831f2f',
    950: '#000000',
  },
}

SCSS

$custom: #831f2f;
$custom-light: #ad6467;
$custom-dark: #000000;

JSON

{
  "hex": "#831f2f",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 350.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40855,
    "c": 0.13413,
    "h": 16.8
  },
  "luminance": 0.06011
}

Semantic roles & 50–950 ramp

primary

#831F2F

secondary

#48B6A4

accent

#E5CB43

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831F2F

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

Preview Lab → · Contrast checker → · Palette generator →