#831A19#831A19

#831A19 is a dark, vivid red. Relative luminance 0.056; OKLCH L 40.0% C 0.140 H 26.7°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#831A19
RGB	rgb(131, 26, 25)
HSL	hsl(1, 68%, 31%)
HSV	hsv(1, 81%, 51%)
CMYK	cmyk(0%, 80.2%, 80.9%, 48.6%)
CIE-LAB	lab(28.47, 43.60, 28.89)
CIE-LCH	lch(28.47, 52.30, 33.53°)
OKLab	oklab(40.02% 0.1254 0.0631)
OKLCH	oklch(40.02% 0.14 26.7)
XYZ	xyz(9.9061, 5.6359, 1.4857)
Luminance	0.0563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A19 #198283

analogous

#83194D #831A19 #834F19

triadic

#831A19 #19831A #1A1983

tetradic

#831A19 #4D8319 #198283 #4F1983

square

#831A19 #4D8319 #198283 #4F1983

split-complementary

#831A19 #19834F #194D83

monochromatic

#1C0605 #50100F #831A19 #B62423 #DA3E3D

Accessibility & contrast

On white

9.87

#831A19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#831A19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A19

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A19	#FFFFFF	#000000	##FFFFFF
##831A19	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3518

Deuteranopia (green-blind)

#554B14

Tritanopia (blue-blind)

#91001B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #831a19;
/* rgb */ color: rgb(131, 26, 25);
/* oklch */ color: oklch(40.0% 0.140 26.7);

Tailwind

colors: {
  custom: {
    50: '#af6156',
    500: '#831a19',
    950: '#000000',
  },
}

SCSS

$custom: #831a19;
$custom-light: #af6156;
$custom-dark: #000000;

JSON

{
  "hex": "#831a19",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 25
  },
  "hsl": {
    "h": 0.566,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40024,
    "c": 0.14035,
    "h": 26.7
  },
  "luminance": 0.05634
}

Semantic roles & 50–950 ramp

primary

#831A19

secondary

#41B6B7

accent

#E9EB3D

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #831A19

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

Preview Lab → · Contrast checker → · Palette generator →