#831C16#831C16

#831C16 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.139 H 28.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#831C16
RGB	rgb(131, 28, 22)
HSL	hsl(3, 71%, 30%)
HSV	hsv(3, 83%, 51%)
CMYK	cmyk(0%, 78.6%, 83.2%, 48.6%)
CIE-LAB	lab(28.68, 42.82, 30.87)
CIE-LCH	lch(28.68, 52.79, 35.78°)
OKLab	oklab(40.17% 0.1223 0.0664)
OKLCH	oklch(40.17% 0.139 28.5)
XYZ	xyz(9.9213, 5.7153, 1.3397)
Luminance	0.0571 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831C16 #167D83

analogous

#831646 #831C16 #835316

triadic

#831C16 #16831C #1C1683

tetradic

#831C16 #468316 #167D83 #531683

square

#831C16 #468316 #167D83 #531683

split-complementary

#831C16 #168353 #164683

monochromatic

#1A0604 #4F110D #831C16 #B7271F #DD3F36

Accessibility & contrast

On white

9.80

#831C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#831C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C16

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831C16	#FFFFFF	#000000	##FFFFFF
##831C16	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3514

Deuteranopia (green-blind)

#554C11

Tritanopia (blue-blind)

#91001C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831c16;
/* rgb */ color: rgb(131, 28, 22);
/* oklch */ color: oklch(40.2% 0.139 28.5);

Tailwind

colors: {
  custom: {
    50: '#af6254',
    500: '#831c16',
    950: '#000000',
  },
}

SCSS

$custom: #831c16;
$custom-light: #af6254;
$custom-dark: #000000;

JSON

{
  "hex": "#831c16",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 22
  },
  "hsl": {
    "h": 3.303,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.40168,
    "c": 0.13913,
    "h": 28.5
  },
  "luminance": 0.05714
}

Semantic roles & 50–950 ramp

primary

#831C16

secondary

#3DB1B7

accent

#E4EE3A

background

#FBF6F4

surface

#F7EBE7

border

#D0C6C3

text

#120503

muted

#817A78

Preview Lab

Preview with #831C16

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

Preview Lab → · Contrast checker → · Palette generator →