#831A2C#831A2C

#831A2C is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.3% C 0.139 H 17.1°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#831A2C
RGB	rgb(131, 26, 44)
HSL	hsl(350, 67%, 31%)
HSV	hsv(350, 80%, 51%)
CMYK	cmyk(0%, 80.2%, 66.4%, 48.6%)
CIE-LAB	lab(28.77, 44.53, 17.08)
CIE-LCH	lch(28.77, 47.69, 20.98°)
OKLab	oklab(40.33% 0.1327 0.0409)
OKLCH	oklch(40.33% 0.139 17.1)
XYZ	xyz(10.1852, 5.7475, 2.9555)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A2C #1A8371

analogous

#831A60 #831A2C #833C1A

triadic

#831A2C #2C831A #1A2C83

tetradic

#831A2C #60831A #1A8371 #3C1A83

square

#831A2C #60831A #1A8371 #3C1A83

split-complementary

#831A2C #1A833C #1A6083

monochromatic

#1D060A #50101B #831A2C #B6243D #D93F59

Accessibility & contrast

On white

9.77

#831A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#831A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A2C

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A2C	#FFFFFF	#000000	##FFFFFF
##831A2C	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362C

Deuteranopia (green-blind)

#534C29

Tritanopia (blue-blind)

#900022

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831a2c;
/* rgb */ color: rgb(131, 26, 44);
/* oklch */ color: oklch(40.3% 0.139 17.1);

Tailwind

colors: {
  custom: {
    50: '#ae6164',
    500: '#831a2c',
    950: '#000000',
  },
}

SCSS

$custom: #831a2c;
$custom-light: #ae6164;
$custom-dark: #000000;

JSON

{
  "hex": "#831a2c",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 44
  },
  "hsl": {
    "h": 349.714,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40334,
    "c": 0.13889,
    "h": 17.1
  },
  "luminance": 0.05746
}

Semantic roles & 50–950 ramp

primary

#831A2C

secondary

#42B7A3

accent

#EACC3E

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120505

muted

#817A7A

Preview Lab

Preview with #831A2C

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

Preview Lab → · Contrast checker → · Palette generator →