#811A2B#811A2B

#811A2B is a dark, vivid red. Relative luminance 0.056; OKLCH L 39.9% C 0.137 H 17.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#811A2B
RGB	rgb(129, 26, 43)
HSL	hsl(350, 66%, 30%)
HSV	hsv(350, 80%, 51%)
CMYK	cmyk(0%, 79.8%, 66.7%, 49.4%)
CIE-LAB	lab(28.33, 43.85, 17.10)
CIE-LCH	lch(28.33, 47.06, 21.30°)
OKLab	oklab(39.93% 0.1306 0.0409)
OKLCH	oklch(39.93% 0.137 17.4)
XYZ	xyz(9.8598, 5.5818, 2.8433)
Luminance	0.0558 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811A2B #1A8170

analogous

#811A5E #811A2B #813C1A

triadic

#811A2B #2B811A #1A2B81

tetradic

#811A2B #5E811A #1A8170 #3C1A81

square

#811A2B #5E811A #1A8170 #3C1A81

split-complementary

#811A2B #1A813C #1A5E81

monochromatic

#1B0509 #4E101A #811A2B #B4243C #D83D57

Accessibility & contrast

On white

9.92

#811A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#811A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811A2B

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811A2B	#FFFFFF	#000000	##FFFFFF
##811A2B	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38352B

Deuteranopia (green-blind)

#524B28

Tritanopia (blue-blind)

#8E0021

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #811a2b;
/* rgb */ color: rgb(129, 26, 43);
/* oklch */ color: oklch(39.9% 0.137 17.4);

Tailwind

colors: {
  custom: {
    50: '#ac6164',
    500: '#811a2b',
    950: '#000000',
  },
}

SCSS

$custom: #811a2b;
$custom-light: #ac6164;
$custom-dark: #000000;

JSON

{
  "hex": "#811a2b",
  "rgb": {
    "r": 129,
    "g": 26,
    "b": 43
  },
  "hsl": {
    "h": 350.097,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39931,
    "c": 0.13686,
    "h": 17.4
  },
  "luminance": 0.0558
}

Semantic roles & 50–950 ramp

primary

#811A2B

secondary

#42B5A2

accent

#E9CD3E

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#110505

muted

#807A79

Preview Lab

Preview with #811A2B

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

Preview Lab → · Contrast checker → · Palette generator →