#831E1D#831E1D

#831E1D is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.136 H 26.2°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#831E1D
RGB	rgb(131, 30, 29)
HSL	hsl(1, 64%, 31%)
HSV	hsv(1, 78%, 51%)
CMYK	cmyk(0%, 77.1%, 77.9%, 48.6%)
CIE-LAB	lab(29.02, 42.38, 27.03)
CIE-LCH	lch(29.02, 50.27, 32.53°)
OKLab	oklab(40.44% 0.1224 0.0603)
OKLCH	oklch(40.44% 0.136 26.2)
XYZ	xyz(10.0473, 5.8441, 1.7612)
Luminance	0.0584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831E1D #1D8283

analogous

#831D4F #831E1D #83511D

triadic

#831E1D #1D831E #1E1D83

tetradic

#831E1D #4F831D #1D8283 #511D83

square

#831E1D #4F831D #1D8283 #511D83

split-complementary

#831E1D #1D8351 #1D4F83

monochromatic

#1F0707 #511312 #831E1D #B52928 #D64645

Accessibility & contrast

On white

9.68

#831E1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831E1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831E1D

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831E1D	#FFFFFF	#000000	##FFFFFF
##831E1D	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)

#3C361C

Deuteranopia (green-blind)

#554C19

Tritanopia (blue-blind)

#91001F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831e1d;
/* rgb */ color: rgb(131, 30, 29);
/* oklch */ color: oklch(40.4% 0.136 26.2);

Tailwind

colors: {
  custom: {
    50: '#af6359',
    500: '#831e1d',
    950: '#000000',
  },
}

SCSS

$custom: #831e1d;
$custom-light: #af6359;
$custom-dark: #000000;

JSON

{
  "hex": "#831e1d",
  "rgb": {
    "r": 131,
    "g": 30,
    "b": 29
  },
  "hsl": {
    "h": 0.588,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40442,
    "c": 0.13645,
    "h": 26.2
  },
  "luminance": 0.05843
}

Semantic roles & 50–950 ramp

primary

#831E1D

secondary

#46B5B6

accent

#E5E741

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #831E1D

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

Preview Lab → · Contrast checker → · Palette generator →