#73131D#73131D

#73131D is a dark, vivid red. Relative luminance 0.042; OKLCH L 36.4% C 0.129 H 21.7°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#73131D
RGB	rgb(115, 19, 29)
HSL	hsl(354, 72%, 26%)
HSV	hsv(354, 83%, 45%)
CMYK	cmyk(0%, 83.5%, 74.8%, 54.9%)
CIE-LAB	lab(24.32, 40.90, 20.77)
CIE-LCH	lch(24.32, 45.87, 26.93°)
OKLab	oklab(36.35% 0.1199 0.0476)
OKLCH	oklch(36.35% 0.129 21.7)
XYZ	xyz(7.5257, 4.2005, 1.5767)
Luminance	0.0420 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73131D #137369

analogous

#73134D #73131D #733913

triadic

#73131D #1D7313 #131D73

tetradic

#73131D #4D7313 #137369 #391373

square

#73131D #4D7313 #137369 #391373

split-complementary

#73131D #137339 #134D73

monochromatic

#1A0407 #3E0A10 #73131D #A81C2A #DB2538

Accessibility & contrast

On white

11.41

#73131D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#73131D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73131D

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73131D	#FFFFFF	#000000	##FFFFFF
##73131D	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312D1C

Deuteranopia (green-blind)

#49411A

Tritanopia (blue-blind)

#7F0018

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #73131d;
/* rgb */ color: rgb(115, 19, 29);
/* oklch */ color: oklch(36.4% 0.129 21.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#73131d",
  "rgb": {
    "r": 115,
    "g": 19,
    "b": 29
  },
  "hsl": {
    "h": 353.75,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36353,
    "c": 0.12903,
    "h": 21.7
  },
  "luminance": 0.04199
}

Semantic roles & 50–950 ramp

primary

#73131D

secondary

#38AA9E

accent

#EEDC39

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100403

muted

#7F7978

Preview Lab

Preview with #73131D

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

Preview Lab → · Contrast checker → · Palette generator →