#831D2D#831D2D

#831D2D is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.136 H 17.4°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#831D2D
RGB	rgb(131, 29, 45)
HSL	hsl(351, 64%, 31%)
HSV	hsv(351, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 65.6%, 48.6%)
CIE-LAB	lab(29.15, 43.59, 16.91)
CIE-LCH	lch(29.15, 46.75, 21.20°)
OKLab	oklab(40.62% 0.1299 0.0407)
OKLCH	oklch(40.62% 0.136 17.4)
XYZ	xyz(10.2742, 5.8950, 3.0790)
Luminance	0.0589 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D2D #1D8373

analogous

#831D60 #831D2D #83401D

triadic

#831D2D #2D831D #1D2D83

tetradic

#831D2D #60831D #1D8373 #401D83

square

#831D2D #60831D #1D8373 #401D83

split-complementary

#831D2D #1D8340 #1D6083

monochromatic

#1F070B #51121C #831D2D #B5283E #D6455B

Accessibility & contrast

On white

9.64

#831D2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#831D2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D2D

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D2D	#FFFFFF	#000000	##FFFFFF
##831D2D	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372D

Deuteranopia (green-blind)

#544C2A

Tritanopia (blue-blind)

#900024

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831d2d;
/* rgb */ color: rgb(131, 29, 45);
/* oklch */ color: oklch(40.6% 0.136 17.4);

Tailwind

colors: {
  custom: {
    50: '#ae6365',
    500: '#831d2d',
    950: '#000000',
  },
}

SCSS

$custom: #831d2d;
$custom-light: #ae6365;
$custom-dark: #000000;

JSON

{
  "hex": "#831d2d",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 45
  },
  "hsl": {
    "h": 350.588,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40621,
    "c": 0.1361,
    "h": 17.4
  },
  "luminance": 0.05893
}

Semantic roles & 50–950 ramp

primary

#831D2D

secondary

#46B6A4

accent

#E7CD41

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110605

muted

#807A7A

Preview Lab

Preview with #831D2D

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

Preview Lab → · Contrast checker → · Palette generator →