#831D2C#831D2C

#831D2C is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.136 H 18.0°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#831D2C
RGB	rgb(131, 29, 44)
HSL	hsl(351, 64%, 31%)
HSV	hsv(351, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 66.4%, 48.6%)
CIE-LAB	lab(29.13, 43.52, 17.54)
CIE-LCH	lch(29.13, 46.92, 21.95°)
OKLab	oklab(40.6% 0.1295 0.042)
OKLCH	oklch(40.6% 0.136 18)
XYZ	xyz(10.2552, 5.8874, 2.9788)
Luminance	0.0589 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D2C #1D8374

analogous

#831D5F #831D2C #83411D

triadic

#831D2C #2C831D #1D2C83

tetradic

#831D2C #5F831D #1D8374 #411D83

square

#831D2C #5F831D #1D8374 #411D83

split-complementary

#831D2C #1D8341 #1D5F83

monochromatic

#1F070A #51121B #831D2C #B5283D #D6455A

Accessibility & contrast

On white

9.65

#831D2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#831D2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D2C

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D2C	#FFFFFF	#000000	##FFFFFF
##831D2C	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372C

Deuteranopia (green-blind)

#544C29

Tritanopia (blue-blind)

#900024

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831d2c;
/* rgb */ color: rgb(131, 29, 44);
/* oklch */ color: oklch(40.6% 0.136 18.0);

Tailwind

colors: {
  custom: {
    50: '#ae6364',
    500: '#831d2c',
    950: '#000000',
  },
}

SCSS

$custom: #831d2c;
$custom-light: #ae6364;
$custom-dark: #000000;

JSON

{
  "hex": "#831d2c",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 44
  },
  "hsl": {
    "h": 351.176,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40601,
    "c": 0.13611,
    "h": 18
  },
  "luminance": 0.05886
}

Semantic roles & 50–950 ramp

primary

#831D2C

secondary

#46B6A6

accent

#E7CE41

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110605

muted

#807A7A

Preview Lab

Preview with #831D2C

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

Preview Lab → · Contrast checker → · Palette generator →