#831C2D#831C2D

#831C2D is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.5% C 0.137 H 17.1°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#831C2D
RGB	rgb(131, 28, 45)
HSL	hsl(350, 65%, 31%)
HSV	hsv(350, 79%, 51%)
CMYK	cmyk(0%, 78.6%, 65.6%, 48.6%)
CIE-LAB	lab(29.02, 43.93, 16.75)
CIE-LCH	lch(29.02, 47.01, 20.87°)
OKLab	oklab(40.53% 0.131 0.0403)
OKLCH	oklch(40.53% 0.137 17.1)
XYZ	xyz(10.2501, 5.8468, 3.0709)
Luminance	0.0585 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831C2D #1C8372

analogous

#831C60 #831C2D #833E1C

triadic

#831C2D #2D831C #1C2D83

tetradic

#831C2D #60831C #1C8372 #3E1C83

square

#831C2D #60831C #1C8372 #3E1C83

split-complementary

#831C2D #1C833E #1C6083

monochromatic

#1E060A #51111C #831C2D #B5273E #D7435B

Accessibility & contrast

On white

9.68

#831C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C2D

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831C2D	#FFFFFF	#000000	##FFFFFF
##831C2D	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39372D

Deuteranopia (green-blind)

#534C2A

Tritanopia (blue-blind)

#900023

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831c2d;
/* rgb */ color: rgb(131, 28, 45);
/* oklch */ color: oklch(40.5% 0.137 17.1);

Tailwind

colors: {
  custom: {
    50: '#ae6265',
    500: '#831c2d',
    950: '#000000',
  },
}

SCSS

$custom: #831c2d;
$custom-light: #ae6265;
$custom-dark: #000000;

JSON

{
  "hex": "#831c2d",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 45
  },
  "hsl": {
    "h": 350.097,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.4053,
    "c": 0.13705,
    "h": 17.1
  },
  "luminance": 0.05845
}

Semantic roles & 50–950 ramp

primary

#831C2D

secondary

#45B6A3

accent

#E8CC40

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110605

muted

#807A7A

Preview Lab

Preview with #831C2D

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

Preview Lab → · Contrast checker → · Palette generator →