#831C19#831C19

#831C19 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.139 H 27.3°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#831C19
RGB	rgb(131, 28, 25)
HSL	hsl(2, 68%, 31%)
HSV	hsv(2, 81%, 51%)
CMYK	cmyk(0%, 78.6%, 80.9%, 48.6%)
CIE-LAB	lab(28.71, 42.93, 29.14)
CIE-LCH	lch(28.71, 51.88, 34.17°)
OKLab	oklab(40.2% 0.1232 0.0637)
OKLCH	oklch(40.2% 0.139 27.3)
XYZ	xyz(9.9520, 5.7276, 1.5010)
Luminance	0.0573 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831C19 #198083

analogous

#83194B #831C19 #835119

triadic

#831C19 #19831C #1C1983

tetradic

#831C19 #4B8319 #198083 #511983

square

#831C19 #4B8319 #198083 #511983

split-complementary

#831C19 #198351 #194B83

monochromatic

#1C0605 #50110F #831C19 #B62723 #DA413D

Accessibility & contrast

On white

9.79

#831C19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#831C19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C19

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831C19	#FFFFFF	#000000	##FFFFFF
##831C19	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3517

Deuteranopia (green-blind)

#554C14

Tritanopia (blue-blind)

#91001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831c19;
/* rgb */ color: rgb(131, 28, 25);
/* oklch */ color: oklch(40.2% 0.139 27.3);

Tailwind

colors: {
  custom: {
    50: '#af6256',
    500: '#831c19',
    950: '#000000',
  },
}

SCSS

$custom: #831c19;
$custom-light: #af6256;
$custom-dark: #000000;

JSON

{
  "hex": "#831c19",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 25
  },
  "hsl": {
    "h": 1.698,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40202,
    "c": 0.13872,
    "h": 27.3
  },
  "luminance": 0.05726
}

Semantic roles & 50–950 ramp

primary

#831C19

secondary

#41B3B7

accent

#E6EB3D

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #831C19

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

Preview Lab → · Contrast checker → · Palette generator →