#72181B#72181B

#72181B is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.6% C 0.124 H 24.3°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#72181B
RGB	rgb(114, 24, 27)
HSL	hsl(358, 65%, 27%)
HSV	hsv(358, 79%, 45%)
CMYK	cmyk(0%, 78.9%, 76.3%, 55.3%)
CIE-LAB	lab(24.67, 38.80, 22.44)
CIE-LCH	lch(24.67, 44.83, 30.04°)
OKLab	oklab(36.57% 0.1129 0.0509)
OKLCH	oklch(36.57% 0.124 24.3)
XYZ	xyz(7.4648, 4.3110, 1.4757)
Luminance	0.0431 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#72181B #18726F

analogous

#721848 #72181B #724218

triadic

#72181B #1B7218 #181B72

tetradic

#72181B #487218 #18726F #421872

square

#72181B #487218 #18726F #421872

split-complementary

#72181B #187242 #184872

monochromatic

#190506 #3F0D0F #72181B #A52327 #D43136

Accessibility & contrast

On white

11.28

#72181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#72181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #72181B

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##72181B	#FFFFFF	#000000	##FFFFFF
##72181B	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332E1A

Deuteranopia (green-blind)

#494218

Tritanopia (blue-blind)

#7E001A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #72181b;
/* rgb */ color: rgb(114, 24, 27);
/* oklch */ color: oklch(36.6% 0.124 24.3);

Tailwind

colors: {
  custom: {
    50: '#a25d57',
    500: '#72181b',
    950: '#000000',
  },
}

SCSS

$custom: #72181b;
$custom-light: #a25d57;
$custom-dark: #000000;

JSON

{
  "hex": "#72181b",
  "rgb": {
    "r": 114,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 358,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36565,
    "c": 0.12387,
    "h": 24.3
  },
  "luminance": 0.0431
}

Semantic roles & 50–950 ramp

primary

#72181B

secondary

#3EA7A4

accent

#E8E340

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #72181B

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

Preview Lab → · Contrast checker → · Palette generator →