#81172B#81172B

#81172B is a dark, vivid red. Relative luminance 0.055; OKLCH L 39.7% C 0.139 H 16.6°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#81172B
RGB	rgb(129, 23, 43)
HSL	hsl(349, 70%, 30%)
HSV	hsv(349, 82%, 51%)
CMYK	cmyk(0%, 82.2%, 66.7%, 49.4%)
CIE-LAB	lab(28.00, 44.80, 16.67)
CIE-LCH	lch(28.00, 47.80, 20.41°)
OKLab	oklab(39.68% 0.1336 0.04)
OKLCH	oklch(39.68% 0.139 16.6)
XYZ	xyz(9.7968, 5.4558, 2.8223)
Luminance	0.0545 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81172B #17816D

analogous

#811760 #81172B #813817

triadic

#81172B #2B8117 #172B81

tetradic

#81172B #608117 #17816D #381781

square

#81172B #608117 #17816D #381781

split-complementary

#81172B #178138 #176081

monochromatic

#1A0509 #4D0E1A #81172B #B5203C #DB3756

Accessibility & contrast

On white

10.04

#81172B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#81172B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81172B

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81172B	#FFFFFF	#000000	##FFFFFF
##81172B	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36342B

Deuteranopia (green-blind)

#514A28

Tritanopia (blue-blind)

#8E0020

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #81172b;
/* rgb */ color: rgb(129, 23, 43);
/* oklch */ color: oklch(39.7% 0.139 16.6);

Tailwind

colors: {
  custom: {
    50: '#ac6064',
    500: '#81172b',
    950: '#000000',
  },
}

SCSS

$custom: #81172b;
$custom-light: #ac6064;
$custom-dark: #000000;

JSON

{
  "hex": "#81172b",
  "rgb": {
    "r": 129,
    "g": 23,
    "b": 43
  },
  "hsl": {
    "h": 348.679,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39683,
    "c": 0.13948,
    "h": 16.6
  },
  "luminance": 0.05454
}

Semantic roles & 50–950 ramp

primary

#81172B

secondary

#3EB59F

accent

#EDCB3B

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#110505

muted

#807A79

Preview Lab

Preview with #81172B

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

Preview Lab → · Contrast checker → · Palette generator →