#73181E#73181E

#73181E is a dark, vivid red. Relative luminance 0.044; OKLCH L 36.8% C 0.125 H 22.6°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#73181E
RGB	rgb(115, 24, 30)
HSL	hsl(356, 65%, 27%)
HSV	hsv(356, 79%, 45%)
CMYK	cmyk(0%, 79.1%, 73.9%, 54.9%)
CIE-LAB	lab(24.93, 39.29, 20.84)
CIE-LCH	lch(24.93, 44.47, 27.94°)
OKLab	oklab(36.81% 0.115 0.048)
OKLCH	oklch(36.81% 0.125 22.6)
XYZ	xyz(7.6321, 4.3930, 1.6741)
Luminance	0.0439 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73181E #18736D

analogous

#73184C #73181E #734018

triadic

#73181E #1E7318 #181E73

tetradic

#73181E #4C7318 #18736D #401873

square

#73181E #4C7318 #18736D #401873

split-complementary

#73181E #187340 #184C73

monochromatic

#190507 #400D11 #73181E #A6232B #D4313C

Accessibility & contrast

On white

11.18

#73181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#73181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73181E

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73181E	#FFFFFF	#000000	##FFFFFF
##73181E	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332F1D

Deuteranopia (green-blind)

#4A421B

Tritanopia (blue-blind)

#7F001B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #73181e;
/* rgb */ color: rgb(115, 24, 30);
/* oklch */ color: oklch(36.8% 0.125 22.6);

Tailwind

colors: {
  custom: {
    50: '#a25e59',
    500: '#73181e',
    950: '#000000',
  },
}

SCSS

$custom: #73181e;
$custom-light: #a25e59;
$custom-dark: #000000;

JSON

{
  "hex": "#73181e",
  "rgb": {
    "r": 115,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 356.044,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36808,
    "c": 0.12463,
    "h": 22.6
  },
  "luminance": 0.04392
}

Semantic roles & 50–950 ramp

primary

#73181E

secondary

#3FA8A1

accent

#E8DD3F

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #73181E

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

Preview Lab → · Contrast checker → · Palette generator →