#73131C#73131C

#73131C is a dark, vivid red. Relative luminance 0.042; OKLCH L 36.3% C 0.129 H 22.2°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#73131C
RGB	rgb(115, 19, 28)
HSL	hsl(354, 72%, 26%)
HSV	hsv(354, 83%, 45%)
CMYK	cmyk(0%, 83.5%, 75.7%, 54.9%)
CIE-LAB	lab(24.31, 40.85, 21.42)
CIE-LCH	lch(24.31, 46.12, 27.67°)
OKLab	oklab(36.34% 0.1195 0.0488)
OKLCH	oklch(36.34% 0.129 22.2)
XYZ	xyz(7.5136, 4.1956, 1.5126)
Luminance	0.0419 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73131C #13736A

analogous

#73134C #73131C #733A13

triadic

#73131C #1C7313 #131C73

tetradic

#73131C #4C7313 #13736A #3A1373

square

#73131C #4C7313 #13736A #3A1373

split-complementary

#73131C #13733A #134C73

monochromatic

#1A0406 #3E0A0F #73131C #A81C29 #DB2536

Accessibility & contrast

On white

11.42

#73131C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#73131C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73131C

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73131C	#FFFFFF	#000000	##FFFFFF
##73131C	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1B

Deuteranopia (green-blind)

#494119

Tritanopia (blue-blind)

#7F0017

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #73131c;
/* rgb */ color: rgb(115, 19, 28);
/* oklch */ color: oklch(36.3% 0.129 22.2);

Tailwind

colors: {
  custom: {
    50: '#a35c58',
    500: '#73131c',
    950: '#000000',
  },
}

SCSS

$custom: #73131c;
$custom-light: #a35c58;
$custom-dark: #000000;

JSON

{
  "hex": "#73131c",
  "rgb": {
    "r": 115,
    "g": 19,
    "b": 28
  },
  "hsl": {
    "h": 354.375,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36336,
    "c": 0.12911,
    "h": 22.2
  },
  "luminance": 0.04194
}

Semantic roles & 50–950 ramp

primary

#73131C

secondary

#38AA9F

accent

#EEDD39

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #73131C

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

Preview Lab → · Contrast checker → · Palette generator →