#811B2C#811B2C

#811B2C is a dark, vivid red. Relative luminance 0.056; OKLCH L 40.0% C 0.136 H 17.1°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#811B2C
RGB	rgb(129, 27, 44)
HSL	hsl(350, 65%, 31%)
HSV	hsv(350, 79%, 51%)
CMYK	cmyk(0%, 79.1%, 65.9%, 49.4%)
CIE-LAB	lab(28.47, 43.58, 16.61)
CIE-LCH	lch(28.47, 46.64, 20.87°)
OKLab	oklab(40.04% 0.1299 0.0399)
OKLCH	oklch(40.04% 0.136 17.1)
XYZ	xyz(9.9009, 5.6343, 2.9486)
Luminance	0.0563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811B2C #1B8170

analogous

#811B5F #811B2C #813D1B

triadic

#811B2C #2C811B #1B2C81

tetradic

#811B2C #5F811B #1B8170 #3D1B81

square

#811B2C #5F811B #1B8170 #3D1B81

split-complementary

#811B2C #1B813D #1B5F81

monochromatic

#1C0609 #4E101B #811B2C #B4263D #D73F59

Accessibility & contrast

On white

9.87

#811B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#811B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811B2C

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811B2C	#FFFFFF	#000000	##FFFFFF
##811B2C	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38362C

Deuteranopia (green-blind)

#524B29

Tritanopia (blue-blind)

#8E0022

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #811b2c;
/* rgb */ color: rgb(129, 27, 44);
/* oklch */ color: oklch(40.0% 0.136 17.1);

Tailwind

colors: {
  custom: {
    50: '#ac6164',
    500: '#811b2c',
    950: '#000000',
  },
}

SCSS

$custom: #811b2c;
$custom-light: #ac6164;
$custom-dark: #000000;

JSON

{
  "hex": "#811b2c",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 350,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.4004,
    "c": 0.13594,
    "h": 17.1
  },
  "luminance": 0.05633
}

Semantic roles & 50–950 ramp

primary

#811B2C

secondary

#43B5A2

accent

#E8CC3F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110505

muted

#807A7A

Preview Lab

Preview with #811B2C

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

Preview Lab → · Contrast checker → · Palette generator →