#831C2C#831C2C

#831C2C is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.5% C 0.137 H 17.7°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#831C2C
RGB	rgb(131, 28, 44)
HSL	hsl(351, 65%, 31%)
HSV	hsv(351, 79%, 51%)
CMYK	cmyk(0%, 78.6%, 66.4%, 48.6%)
CIE-LAB	lab(29.00, 43.87, 17.38)
CIE-LCH	lch(29.00, 47.19, 21.62°)
OKLab	oklab(40.51% 0.1306 0.0416)
OKLCH	oklch(40.51% 0.137 17.7)
XYZ	xyz(10.2310, 5.8392, 2.9707)
Luminance	0.0584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831C2C #1C8373

analogous

#831C5F #831C2C #833F1C

triadic

#831C2C #2C831C #1C2C83

tetradic

#831C2C #5F831C #1C8373 #3F1C83

square

#831C2C #5F831C #1C8373 #3F1C83

split-complementary

#831C2C #1C833F #1C5F83

monochromatic

#1E060A #51111B #831C2C #B5273D #D7435A

Accessibility & contrast

On white

9.69

#831C2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831C2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831C2C

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831C2C	#FFFFFF	#000000	##FFFFFF
##831C2C	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372C

Deuteranopia (green-blind)

#544C29

Tritanopia (blue-blind)

#900023

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831c2c;
/* rgb */ color: rgb(131, 28, 44);
/* oklch */ color: oklch(40.5% 0.137 17.7);

Tailwind

colors: {
  custom: {
    50: '#ae6264',
    500: '#831c2c',
    950: '#000000',
  },
}

SCSS

$custom: #831c2c;
$custom-light: #ae6264;
$custom-dark: #000000;

JSON

{
  "hex": "#831c2c",
  "rgb": {
    "r": 131,
    "g": 28,
    "b": 44
  },
  "hsl": {
    "h": 350.68,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40509,
    "c": 0.13706,
    "h": 17.7
  },
  "luminance": 0.05838
}

Semantic roles & 50–950 ramp

primary

#831C2C

secondary

#45B6A5

accent

#E8CE40

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120605

muted

#817A7A

Preview Lab

Preview with #831C2C

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

Preview Lab → · Contrast checker → · Palette generator →