#831024#831024

#831024 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.5% C 0.147 H 19.3°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#831024
RGB	rgb(131, 16, 36)
HSL	hsl(350, 78%, 29%)
HSV	hsv(350, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 72.5%, 48.6%)
CIE-LAB	lab(27.64, 46.87, 20.96)
CIE-LCH	lch(27.64, 51.34, 24.09°)
OKLab	oklab(39.46% 0.1384 0.0485)
OKLCH	oklch(39.46% 0.147 19.3)
XYZ	xyz(9.8650, 5.3248, 2.1771)
Luminance	0.0532 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831024 #10836F

analogous

#83105E #831024 #833610

triadic

#831024 #248310 #102483

tetradic

#831024 #5E8310 #10836F #361083

square

#831024 #5E8310 #10836F #361083

split-complementary

#831024 #108336 #105E83

monochromatic

#1B0307 #4C0915 #831024 #BA1733 #E52949

Accessibility & contrast

On white

10.17

#831024 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#831024 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831024

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831024	#FFFFFF	#000000	##FFFFFF
##831024	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363224

Deuteranopia (green-blind)

#524A20

Tritanopia (blue-blind)

#910019

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831024;
/* rgb */ color: rgb(131, 16, 36);
/* oklch */ color: oklch(39.5% 0.147 19.3);

Tailwind

colors: {
  custom: {
    50: '#af5e5e',
    500: '#831024',
    950: '#000000',
  },
}

SCSS

$custom: #831024;
$custom-light: #af5e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#831024",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 36
  },
  "hsl": {
    "h": 349.565,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39455,
    "c": 0.14662,
    "h": 19.3
  },
  "luminance": 0.05323
}

Semantic roles & 50–950 ramp

primary

#831024

secondary

#36B9A2

accent

#F5D333

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #831024

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

Preview Lab → · Contrast checker → · Palette generator →