#811828#811828

#811828 is a dark, vivid red. Relative luminance 0.055; OKLCH L 39.7% C 0.139 H 18.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#811828
RGB	rgb(129, 24, 40)
HSL	hsl(351, 69%, 30%)
HSV	hsv(351, 81%, 51%)
CMYK	cmyk(0%, 81.4%, 69%, 49.4%)
CIE-LAB	lab(28.05, 44.31, 18.72)
CIE-LCH	lch(28.05, 48.10, 22.91°)
OKLab	oklab(39.7% 0.1314 0.0443)
OKLCH	oklch(39.7% 0.139 18.6)
XYZ	xyz(9.7640, 5.4751, 2.5498)
Luminance	0.0547 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811828 #188171

analogous

#81185D #811828 #813C18

triadic

#811828 #288118 #182881

tetradic

#811828 #5D8118 #188171 #3C1881

square

#811828 #5D8118 #188171 #3C1881

split-complementary

#811828 #18813C #185D81

monochromatic

#1A0508 #4D0E18 #811828 #B52238 #DA3952

Accessibility & contrast

On white

10.02

#811828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#811828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811828

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811828	#FFFFFF	#000000	##FFFFFF
##811828	1.00	10.02	2.09	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373428

Deuteranopia (green-blind)

#524A25

Tritanopia (blue-blind)

#8E001F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #811828;
/* rgb */ color: rgb(129, 24, 40);
/* oklch */ color: oklch(39.7% 0.139 18.6);

Tailwind

colors: {
  custom: {
    50: '#ad6061',
    500: '#811828',
    950: '#000000',
  },
}

SCSS

$custom: #811828;
$custom-light: #ad6061;
$custom-dark: #000000;

JSON

{
  "hex": "#811828",
  "rgb": {
    "r": 129,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 350.857,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.39703,
    "c": 0.13865,
    "h": 18.6
  },
  "luminance": 0.05474
}

Semantic roles & 50–950 ramp

primary

#811828

secondary

#40B5A3

accent

#EBD13C

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#110505

muted

#807A79

Preview Lab

Preview with #811828

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

Preview Lab → · Contrast checker → · Palette generator →