#811023#811023

#811023 is a dark, vivid red. Relative luminance 0.052; OKLCH L 39.0% C 0.145 H 19.6°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#811023
RGB	rgb(129, 16, 35)
HSL	hsl(350, 78%, 28%)
HSV	hsv(350, 88%, 51%)
CMYK	cmyk(0%, 87.6%, 72.9%, 49.4%)
CIE-LAB	lab(27.19, 46.24, 20.97)
CIE-LCH	lch(27.19, 50.77, 24.39°)
OKLab	oklab(39.04% 0.1364 0.0485)
OKLCH	oklch(39.04% 0.145 19.6)
XYZ	xyz(9.5430, 5.1606, 2.0834)
Luminance	0.0516 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811023 #10816E

analogous

#81105B #811023 #813610

triadic

#811023 #238110 #102381

tetradic

#811023 #5B8110 #10816E #361081

square

#811023 #5B8110 #10816E #361081

split-complementary

#811023 #108136 #105B81

monochromatic

#1B0307 #4B0914 #811023 #B71732 #E42747

Accessibility & contrast

On white

10.34

#811023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#811023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811023

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811023	#FFFFFF	#000000	##FFFFFF
##811023	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353123

Deuteranopia (green-blind)

#51491F

Tritanopia (blue-blind)

#8E0019

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #811023;
/* rgb */ color: rgb(129, 16, 35);
/* oklch */ color: oklch(39.0% 0.145 19.6);

Tailwind

colors: {
  custom: {
    50: '#ad5d5d',
    500: '#811023',
    950: '#000000',
  },
}

SCSS

$custom: #811023;
$custom-light: #ad5d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#811023",
  "rgb": {
    "r": 129,
    "g": 16,
    "b": 35
  },
  "hsl": {
    "h": 349.912,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39039,
    "c": 0.14475,
    "h": 19.6
  },
  "luminance": 0.05159
}

Semantic roles & 50–950 ramp

primary

#811023

secondary

#36B7A1

accent

#F4D433

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #811023

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

Preview Lab → · Contrast checker → · Palette generator →