#831C28#831C28

#831C28 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.137 H 20.0°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#831C28
RGB	rgb(131, 28, 40)
HSL	hsl(353, 65%, 31%)
HSV	hsv(353, 79%, 51%)
CMYK	cmyk(0%, 78.6%, 69.5%, 48.6%)
CIE-LAB	lab(28.93, 43.63, 19.92)
CIE-LCH	lch(28.93, 47.96, 24.54°)
OKLab	oklab(40.43% 0.1289 0.0469)
OKLCH	oklch(40.43% 0.137 20)
XYZ	xyz(10.1594, 5.8105, 2.5937)
Luminance	0.0581 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831C28 #1C8377

analogous

#831C5B #831C28 #83431C

triadic

#831C28 #28831C #1C2883

tetradic

#831C28 #5B831C #1C8377 #431C83

square

#831C28 #5B831C #1C8377 #431C83

split-complementary

#831C28 #1C8343 #1C5B83

monochromatic

#1E0609 #511119 #831C28 #B52737 #D74354

Accessibility & contrast

On white

9.71

#831C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#831C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C28

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831C28	#FFFFFF	#000000	##FFFFFF
##831C28	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3628

Deuteranopia (green-blind)

#544C25

Tritanopia (blue-blind)

#900021

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831c28;
/* rgb */ color: rgb(131, 28, 40);
/* oklch */ color: oklch(40.4% 0.137 20.0);

Tailwind

colors: {
  custom: {
    50: '#ae6261',
    500: '#831c28',
    950: '#000000',
  },
}

SCSS

$custom: #831c28;
$custom-light: #ae6261;
$custom-dark: #000000;

JSON

{
  "hex": "#831c28",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 40
  },
  "hsl": {
    "h": 353.01,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40431,
    "c": 0.13718,
    "h": 20
  },
  "luminance": 0.05809
}

Semantic roles & 50–950 ramp

primary

#831C28

secondary

#45B6A9

accent

#E8D440

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120605

muted

#817A79

Preview Lab

Preview with #831C28

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

Preview Lab → · Contrast checker → · Palette generator →