#811F2B#811F2B

#811F2B is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.132 H 18.9°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#811F2B
RGB	rgb(129, 31, 43)
HSL	hsl(353, 61%, 31%)
HSV	hsv(353, 76%, 51%)
CMYK	cmyk(0%, 76%, 66.7%, 49.4%)
CIE-LAB	lab(28.96, 42.09, 17.91)
CIE-LCH	lch(28.96, 45.74, 23.05°)
OKLab	oklab(40.4% 0.125 0.0428)
OKLCH	oklch(40.4% 0.132 18.9)
XYZ	xyz(9.9803, 5.8230, 2.8835)
Luminance	0.0582 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811F2B #1F8175

analogous

#811F5C #811F2B #81441F

triadic

#811F2B #2B811F #1F2B81

tetradic

#811F2B #5C811F #1F8175 #441F81

square

#811F2B #5C811F #1F8175 #441F81

split-complementary

#811F2B #1F8144 #1F5C81

monochromatic

#1E070A #50131B #811F2B #B22B3B #D34759

Accessibility & contrast

On white

9.70

#811F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#811F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811F2B

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811F2B	#FFFFFF	#000000	##FFFFFF
##811F2B	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372B

Deuteranopia (green-blind)

#534C28

Tritanopia (blue-blind)

#8E0024

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #811f2b;
/* rgb */ color: rgb(129, 31, 43);
/* oklch */ color: oklch(40.4% 0.132 18.9);

Tailwind

colors: {
  custom: {
    50: '#ac6364',
    500: '#811f2b',
    950: '#000000',
  },
}

SCSS

$custom: #811f2b;
$custom-light: #ac6364;
$custom-dark: #000000;

JSON

{
  "hex": "#811f2b",
  "rgb": {
    "r": 129,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 352.653,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40399,
    "c": 0.13207,
    "h": 18.9
  },
  "luminance": 0.05822
}

Semantic roles & 50–950 ramp

primary

#811F2B

secondary

#48B4A7

accent

#E4D143

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#110605

muted

#807A79

Preview Lab

Preview with #811F2B

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

Preview Lab → · Contrast checker → · Palette generator →