#73182B#73182B

#73182B is a dark, vivid red. Relative luminance 0.045; OKLCH L 37.1% C 0.124 H 14.2°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#73182B
RGB	rgb(115, 24, 43)
HSL	hsl(347, 65%, 27%)
HSV	hsv(347, 79%, 45%)
CMYK	cmyk(0%, 79.1%, 62.6%, 54.9%)
CIE-LAB	lab(25.18, 40.10, 12.42)
CIE-LCH	lch(25.18, 41.98, 17.21°)
OKLab	oklab(37.07% 0.1205 0.0305)
OKLCH	oklch(37.07% 0.124 14.2)
XYZ	xyz(7.8337, 4.4737, 2.7360)
Luminance	0.0447 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73182B #187360

analogous

#731858 #73182B #733318

triadic

#73182B #2B7318 #182B73

tetradic

#73182B #587318 #187360 #331873

square

#73182B #587318 #187360 #331873

split-complementary

#73182B #187333 #185873

monochromatic

#190509 #400D18 #73182B #A6233E #D43153

Accessibility & contrast

On white

11.08

#73182B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#73182B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73182B

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73182B	#FFFFFF	#000000	##FFFFFF
##73182B	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31302B

Deuteranopia (green-blind)

#484329

Tritanopia (blue-blind)

#7E0020

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #73182b;
/* rgb */ color: rgb(115, 24, 43);
/* oklch */ color: oklch(37.1% 0.124 14.2);

Tailwind

colors: {
  custom: {
    50: '#a15e64',
    500: '#73182b',
    950: '#000000',
  },
}

SCSS

$custom: #73182b;
$custom-light: #a15e64;
$custom-dark: #000000;

JSON

{
  "hex": "#73182b",
  "rgb": {
    "r": 115,
    "g": 24,
    "b": 43
  },
  "hsl": {
    "h": 347.473,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37073,
    "c": 0.12433,
    "h": 14.2
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#73182B

secondary

#3FA892

accent

#E8C53F

background

#FAF5F5

surface

#F4E9EA

border

#CEC5C6

text

#100505

muted

#7F7979

Preview Lab

Preview with #73182B

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

Preview Lab → · Contrast checker → · Palette generator →