#811C2A#811C2A

#811C2A is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.1% C 0.135 H 18.6°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#811C2A
RGB	rgb(129, 28, 42)
HSL	hsl(352, 64%, 31%)
HSV	hsv(352, 78%, 51%)
CMYK	cmyk(0%, 78.3%, 67.4%, 49.4%)
CIE-LAB	lab(28.55, 43.11, 18.05)
CIE-LCH	lch(28.55, 46.73, 22.71°)
OKLab	oklab(40.09% 0.128 0.043)
OKLCH	oklch(40.09% 0.135 18.6)
XYZ	xyz(9.8875, 5.6663, 2.7631)
Luminance	0.0566 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811C2A #1C8173

analogous

#811C5C #811C2A #81401C

triadic

#811C2A #2A811C #1C2A81

tetradic

#811C2A #5C811C #1C8173 #401C81

square

#811C2A #5C811C #1C8173 #401C81

split-complementary

#811C2A #1C8140 #1C5C81

monochromatic

#1C0609 #4F111A #811C2A #B3273A #D64256

Accessibility & contrast

On white

9.85

#811C2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#811C2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811C2A

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811C2A	#FFFFFF	#000000	##FFFFFF
##811C2A	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362A

Deuteranopia (green-blind)

#524B27

Tritanopia (blue-blind)

#8E0022

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #811c2a;
/* rgb */ color: rgb(129, 28, 42);
/* oklch */ color: oklch(40.1% 0.135 18.6);

Tailwind

colors: {
  custom: {
    50: '#ac6263',
    500: '#811c2a',
    950: '#000000',
  },
}

SCSS

$custom: #811c2a;
$custom-light: #ac6263;
$custom-dark: #000000;

JSON

{
  "hex": "#811c2a",
  "rgb": {
    "r": 129,
    "g": 28,
    "b": 42
  },
  "hsl": {
    "h": 351.683,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4009,
    "c": 0.13502,
    "h": 18.6
  },
  "luminance": 0.05665
}

Semantic roles & 50–950 ramp

primary

#811C2A

secondary

#44B4A5

accent

#E7D040

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#110605

muted

#807A79

Preview Lab

Preview with #811C2A

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

Preview Lab → · Contrast checker → · Palette generator →