#831A2D#831A2D

#831A2D is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.139 H 16.6°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#831A2D
RGB	rgb(131, 26, 45)
HSL	hsl(349, 67%, 31%)
HSV	hsv(349, 80%, 51%)
CMYK	cmyk(0%, 80.2%, 65.6%, 48.6%)
CIE-LAB	lab(28.79, 44.60, 16.44)
CIE-LCH	lch(28.79, 47.53, 20.24°)
OKLab	oklab(40.36% 0.1331 0.0396)
OKLCH	oklch(40.36% 0.139 16.6)
XYZ	xyz(10.2042, 5.7551, 3.0557)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A2D #1A8370

analogous

#831A61 #831A2D #833B1A

triadic

#831A2D #2D831A #1A2D83

tetradic

#831A2D #61831A #1A8370 #3B1A83

square

#831A2D #61831A #1A8370 #3B1A83

split-complementary

#831A2D #1A833B #1A6183

monochromatic

#1D060A #50101B #831A2D #B6243F #D93F5A

Accessibility & contrast

On white

9.76

#831A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#831A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A2D

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A2D	#FFFFFF	#000000	##FFFFFF
##831A2D	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38362D

Deuteranopia (green-blind)

#534C2A

Tritanopia (blue-blind)

#900022

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831a2d;
/* rgb */ color: rgb(131, 26, 45);
/* oklch */ color: oklch(40.4% 0.139 16.6);

Tailwind

colors: {
  custom: {
    50: '#ae6165',
    500: '#831a2d',
    950: '#000000',
  },
}

SCSS

$custom: #831a2d;
$custom-light: #ae6165;
$custom-dark: #000000;

JSON

{
  "hex": "#831a2d",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 45
  },
  "hsl": {
    "h": 349.143,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40355,
    "c": 0.1389,
    "h": 16.6
  },
  "luminance": 0.05754
}

Semantic roles & 50–950 ramp

primary

#831A2D

secondary

#42B7A2

accent

#EACB3E

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120505

muted

#817A7A

Preview Lab

Preview with #831A2D

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

Preview Lab → · Contrast checker → · Palette generator →