#72181D#72181D

#72181D is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.6% C 0.124 H 23.1°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#72181D
RGB	rgb(114, 24, 29)
HSL	hsl(357, 65%, 27%)
HSV	hsv(357, 79%, 45%)
CMYK	cmyk(0%, 78.9%, 74.6%, 55.3%)
CIE-LAB	lab(24.70, 38.90, 21.17)
CIE-LCH	lch(24.70, 44.29, 28.56°)
OKLab	oklab(36.6% 0.1137 0.0486)
OKLCH	oklch(36.6% 0.124 23.1)
XYZ	xyz(7.4887, 4.3205, 1.6018)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#72181D #18726D

analogous

#72184A #72181D #724018

triadic

#72181D #1D7218 #181D72

tetradic

#72181D #4A7218 #18726D #401872

square

#72181D #4A7218 #18726D #401872

split-complementary

#72181D #187240 #184A72

monochromatic

#190506 #3F0D10 #72181D #A5232A #D4313A

Accessibility & contrast

On white

11.27

#72181D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#72181D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #72181D

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##72181D	#FFFFFF	#000000	##FFFFFF
##72181D	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E1C

Deuteranopia (green-blind)

#49421A

Tritanopia (blue-blind)

#7E001B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #72181d;
/* rgb */ color: rgb(114, 24, 29);
/* oklch */ color: oklch(36.6% 0.124 23.1);

Tailwind

colors: {
  custom: {
    50: '#a25d59',
    500: '#72181d',
    950: '#000000',
  },
}

SCSS

$custom: #72181d;
$custom-light: #a25d59;
$custom-dark: #000000;

JSON

{
  "hex": "#72181d",
  "rgb": {
    "r": 114,
    "g": 24,
    "b": 29
  },
  "hsl": {
    "h": 356.667,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36597,
    "c": 0.12365,
    "h": 23.1
  },
  "luminance": 0.04319
}

Semantic roles & 50–950 ramp

primary

#72181D

secondary

#3EA7A2

accent

#E8DF40

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #72181D

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

Preview Lab → · Contrast checker → · Palette generator →