#831D22#831D22

#831D22 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.137 H 23.5°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#831D22
RGB	rgb(131, 29, 34)
HSL	hsl(357, 64%, 31%)
HSV	hsv(357, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 74%, 48.6%)
CIE-LAB	lab(28.96, 42.97, 23.83)
CIE-LCH	lch(28.96, 49.13, 29.01°)
OKLab	oklab(40.42% 0.1254 0.0545)
OKLCH	oklch(40.42% 0.137 23.5)
XYZ	xyz(10.0893, 5.8211, 2.1054)
Luminance	0.0582 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D22 #1D837E

analogous

#831D55 #831D22 #834B1D

triadic

#831D22 #22831D #1D2283

tetradic

#831D22 #55831D #1D837E #4B1D83

square

#831D22 #55831D #1D837E #4B1D83

split-complementary

#831D22 #1D834B #1D5583

monochromatic

#1F0708 #511215 #831D22 #B5282F #D6454C

Accessibility & contrast

On white

9.70

#831D22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#831D22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D22

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D22	#FFFFFF	#000000	##FFFFFF
##831D22	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3621

Deuteranopia (green-blind)

#554C1F

Tritanopia (blue-blind)

#910020

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831d22;
/* rgb */ color: rgb(131, 29, 34);
/* oklch */ color: oklch(40.4% 0.137 23.5);

Tailwind

colors: {
  custom: {
    50: '#ae625d',
    500: '#831d22',
    950: '#000000',
  },
}

SCSS

$custom: #831d22;
$custom-light: #ae625d;
$custom-dark: #000000;

JSON

{
  "hex": "#831d22",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 34
  },
  "hsl": {
    "h": 357.059,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.4042,
    "c": 0.13674,
    "h": 23.5
  },
  "luminance": 0.0582
}

Semantic roles & 50–950 ramp

primary

#831D22

secondary

#46B6B1

accent

#E7DF41

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #831D22

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

Preview Lab → · Contrast checker → · Palette generator →