#831D19#831D19

#831D19 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.3% C 0.138 H 27.6°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#831D19
RGB	rgb(131, 29, 25)
HSL	hsl(2, 68%, 31%)
HSV	hsv(2, 81%, 51%)
CMYK	cmyk(0%, 77.9%, 80.9%, 48.6%)
CIE-LAB	lab(28.84, 42.58, 29.27)
CIE-LCH	lch(28.84, 51.67, 34.50°)
OKLab	oklab(40.29% 0.1221 0.064)
OKLCH	oklch(40.29% 0.138 27.6)
XYZ	xyz(9.9761, 5.7758, 1.5091)
Luminance	0.0577 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D19 #197F83

analogous

#83194A #831D19 #835219

triadic

#831D19 #19831D #1D1983

tetradic

#831D19 #4A8319 #197F83 #521983

square

#831D19 #4A8319 #197F83 #521983

split-complementary

#831D19 #198352 #194A83

monochromatic

#1C0605 #50120F #831D19 #B62823 #DA423D

Accessibility & contrast

On white

9.75

#831D19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#831D19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D19

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D19	#FFFFFF	#000000	##FFFFFF
##831D19	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3617

Deuteranopia (green-blind)

#554C15

Tritanopia (blue-blind)

#91001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831d19;
/* rgb */ color: rgb(131, 29, 25);
/* oklch */ color: oklch(40.3% 0.138 27.6);

Tailwind

colors: {
  custom: {
    50: '#af6256',
    500: '#831d19',
    950: '#000000',
  },
}

SCSS

$custom: #831d19;
$custom-light: #af6256;
$custom-dark: #000000;

JSON

{
  "hex": "#831d19",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 25
  },
  "hsl": {
    "h": 2.264,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40295,
    "c": 0.13787,
    "h": 27.6
  },
  "luminance": 0.05774
}

Semantic roles & 50–950 ramp

primary

#831D19

secondary

#41B2B7

accent

#E4EB3D

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #831D19

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

Preview Lab → · Contrast checker → · Palette generator →