#81171C#81171C

#81171C is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.4% C 0.140 H 24.5°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#81171C
RGB	rgb(129, 23, 28)
HSL	hsl(357, 70%, 30%)
HSV	hsv(357, 82%, 51%)
CMYK	cmyk(0%, 82.2%, 78.3%, 49.4%)
CIE-LAB	lab(27.75, 44.03, 26.14)
CIE-LCH	lch(27.75, 51.21, 30.70°)
OKLab	oklab(39.42% 0.1277 0.0582)
OKLCH	oklch(39.42% 0.14 24.5)
XYZ	xyz(9.5704, 5.3653, 1.6301)
Luminance	0.0536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81171C #17817C

analogous

#811751 #81171C #814717

triadic

#81171C #1C8117 #171C81

tetradic

#81171C #518117 #17817C #471781

square

#81171C #518117 #17817C #471781

split-complementary

#81171C #178147 #175181

monochromatic

#1A0506 #4D0E11 #81171C #B52027 #DB373F

Accessibility & contrast

On white

10.13

#81171C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#81171C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81171C

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81171C	#FFFFFF	#000000	##FFFFFF
##81171C	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331B

Deuteranopia (green-blind)

#524A18

Tritanopia (blue-blind)

#8F001A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #81171c;
/* rgb */ color: rgb(129, 23, 28);
/* oklch */ color: oklch(39.4% 0.140 24.5);

Tailwind

colors: {
  custom: {
    50: '#ae6058',
    500: '#81171c',
    950: '#000000',
  },
}

SCSS

$custom: #81171c;
$custom-light: #ae6058;
$custom-dark: #000000;

JSON

{
  "hex": "#81171c",
  "rgb": {
    "r": 129,
    "g": 23,
    "b": 28
  },
  "hsl": {
    "h": 357.17,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39423,
    "c": 0.1403,
    "h": 24.5
  },
  "luminance": 0.05364
}

Semantic roles & 50–950 ramp

primary

#81171C

secondary

#3EB5B0

accent

#EDE43B

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #81171C

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

Preview Lab → · Contrast checker → · Palette generator →