#81171B#81171B

#81171B is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.4% C 0.140 H 25.0°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#81171B
RGB	rgb(129, 23, 27)
HSL	hsl(358, 70%, 30%)
HSV	hsv(358, 82%, 51%)
CMYK	cmyk(0%, 82.2%, 79.1%, 49.4%)
CIE-LAB	lab(27.74, 43.99, 26.75)
CIE-LCH	lch(27.74, 51.49, 31.30°)
OKLab	oklab(39.41% 0.1273 0.0593)
OKLCH	oklch(39.41% 0.14 25)
XYZ	xyz(9.5586, 5.3606, 1.5681)
Luminance	0.0536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81171B #17817D

analogous

#811750 #81171B #814817

triadic

#81171B #1B8117 #171B81

tetradic

#81171B #508117 #17817D #481781

square

#81171B #508117 #17817D #481781

split-complementary

#81171B #178148 #175081

monochromatic

#1A0505 #4D0E10 #81171B #B52026 #DB373D

Accessibility & contrast

On white

10.14

#81171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#81171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81171B

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81171B	#FFFFFF	#000000	##FFFFFF
##81171B	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38331A

Deuteranopia (green-blind)

#534A17

Tritanopia (blue-blind)

#8F001A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #81171b;
/* rgb */ color: rgb(129, 23, 27);
/* oklch */ color: oklch(39.4% 0.140 25.0);

Tailwind

colors: {
  custom: {
    50: '#ae5f57',
    500: '#81171b',
    950: '#000000',
  },
}

SCSS

$custom: #81171b;
$custom-light: #ae5f57;
$custom-dark: #000000;

JSON

{
  "hex": "#81171b",
  "rgb": {
    "r": 129,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.736,
    "s": 69.737,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39409,
    "c": 0.14041,
    "h": 25
  },
  "luminance": 0.05359
}

Semantic roles & 50–950 ramp

primary

#81171B

secondary

#3EB5B1

accent

#EDE63B

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #81171B

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

Preview Lab → · Contrast checker → · Palette generator →