#81132B#81132B

#81132B is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.4% C 0.143 H 15.8°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#81132B
RGB	rgb(129, 19, 43)
HSL	hsl(347, 74%, 29%)
HSV	hsv(347, 85%, 51%)
CMYK	cmyk(0%, 85.3%, 66.7%, 49.4%)
CIE-LAB	lab(27.60, 45.93, 16.15)
CIE-LCH	lch(27.60, 48.68, 19.37°)
OKLab	oklab(39.39% 0.1373 0.0388)
OKLCH	oklch(39.39% 0.143 15.8)
XYZ	xyz(9.7232, 5.3088, 2.7978)
Luminance	0.0531 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81132B #138169

analogous

#811362 #81132B #813213

triadic

#81132B #2B8113 #132B81

tetradic

#81132B #628113 #138169 #321381

square

#81132B #628113 #138169 #321381

split-complementary

#81132B #138132 #136281

monochromatic

#1B0409 #4C0B19 #81132B #B61B3D #E02E55

Accessibility & contrast

On white

10.19

#81132B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#81132B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81132B

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81132B	#FFFFFF	#000000	##FFFFFF
##81132B	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35332B

Deuteranopia (green-blind)

#504928

Tritanopia (blue-blind)

#8E001E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #81132b;
/* rgb */ color: rgb(129, 19, 43);
/* oklch */ color: oklch(39.4% 0.143 15.8);

Tailwind

colors: {
  custom: {
    50: '#ad5f64',
    500: '#81132b',
    950: '#000000',
  },
}

SCSS

$custom: #81132b;
$custom-light: #ad5f64;
$custom-dark: #000000;

JSON

{
  "hex": "#81132b",
  "rgb": {
    "r": 129,
    "g": 19,
    "b": 43
  },
  "hsl": {
    "h": 346.909,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39388,
    "c": 0.14265,
    "h": 15.8
  },
  "luminance": 0.05307
}

Semantic roles & 50–950 ramp

primary

#81132B

secondary

#3AB69B

accent

#F1C837

background

#FBF5F5

surface

#F6EAEA

border

#D0C6C6

text

#110505

muted

#807979

Preview Lab

Preview with #81132B

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

Preview Lab → · Contrast checker → · Palette generator →