#831F38#831F38

#831F38 is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.1% C 0.135 H 11.1°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#831F38
RGB	rgb(131, 31, 56)
HSL	hsl(345, 62%, 32%)
HSV	hsv(345, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 57.3%, 48.6%)
CIE-LAB	lab(29.64, 43.66, 10.27)
CIE-LCH	lch(29.64, 44.86, 13.24°)
OKLab	oklab(41.07% 0.1322 0.0259)
OKLCH	oklch(41.07% 0.135 11.1)
XYZ	xyz(10.5649, 6.0923, 4.3602)
Luminance	0.0609 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F38 #1F836A

analogous

#831F6A #831F38 #83381F

triadic

#831F38 #38831F #1F3883

tetradic

#831F38 #6A831F #1F836A #381F83

square

#831F38 #6A831F #1F836A #381F83

split-complementary

#831F38 #1F8338 #1F6A83

monochromatic

#20080E #521323 #831F38 #B42B4D #D4496B

Accessibility & contrast

On white

9.47

#831F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#831F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F38

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F38	#FFFFFF	#000000	##FFFFFF
##831F38	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393938

Deuteranopia (green-blind)

#534D35

Tritanopia (blue-blind)

#900329

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #831f38;
/* rgb */ color: rgb(131, 31, 56);
/* oklch */ color: oklch(41.1% 0.135 11.1);

Tailwind

colors: {
  custom: {
    50: '#ad646e',
    500: '#831f38',
    950: '#000000',
  },
}

SCSS

$custom: #831f38;
$custom-light: #ad646e;
$custom-dark: #000000;

JSON

{
  "hex": "#831f38",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 56
  },
  "hsl": {
    "h": 345,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41069,
    "c": 0.13471,
    "h": 11.1
  },
  "luminance": 0.06091
}

Semantic roles & 50–950 ramp

primary

#831F38

secondary

#48B69A

accent

#E5BC43

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110607

muted

#807A7A

Preview Lab

Preview with #831F38

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

Preview Lab → · Contrast checker → · Palette generator →