#811A28#811A28

#811A28 is a dark, vivid red. Relative luminance 0.056; OKLCH L 39.9% C 0.137 H 19.1°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#811A28
RGB	rgb(129, 26, 40)
HSL	hsl(352, 66%, 30%)
HSV	hsv(352, 80%, 51%)
CMYK	cmyk(0%, 79.8%, 69%, 49.4%)
CIE-LAB	lab(28.28, 43.67, 19.01)
CIE-LCH	lch(28.28, 47.63, 23.53°)
OKLab	oklab(39.87% 0.1293 0.0449)
OKLCH	oklch(39.87% 0.137 19.1)
XYZ	xyz(9.8067, 5.5606, 2.5640)
Luminance	0.0556 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811A28 #1A8173

analogous

#811A5B #811A28 #81401A

triadic

#811A28 #28811A #1A2881

tetradic

#811A28 #5B811A #1A8173 #401A81

square

#811A28 #5B811A #1A8173 #401A81

split-complementary

#811A28 #1A8140 #1A5B81

monochromatic

#1B0508 #4E1018 #811A28 #B42438 #D83D52

Accessibility & contrast

On white

9.94

#811A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#811A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811A28

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811A28	#FFFFFF	#000000	##FFFFFF
##811A28	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383528

Deuteranopia (green-blind)

#524B25

Tritanopia (blue-blind)

#8E0020

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #811a28;
/* rgb */ color: rgb(129, 26, 40);
/* oklch */ color: oklch(39.9% 0.137 19.1);

Tailwind

colors: {
  custom: {
    50: '#ad6161',
    500: '#811a28',
    950: '#000000',
  },
}

SCSS

$custom: #811a28;
$custom-light: #ad6161;
$custom-dark: #000000;

JSON

{
  "hex": "#811a28",
  "rgb": {
    "r": 129,
    "g": 26,
    "b": 40
  },
  "hsl": {
    "h": 351.845,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39872,
    "c": 0.13691,
    "h": 19.1
  },
  "luminance": 0.05559
}

Semantic roles & 50–950 ramp

primary

#811A28

secondary

#42B5A5

accent

#E9D23E

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#110505

muted

#807A79

Preview Lab

Preview with #811A28

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

Preview Lab → · Contrast checker → · Palette generator →