#72181C#72181C

#72181C is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.6% C 0.124 H 23.7°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#72181C
RGB	rgb(114, 24, 28)
HSL	hsl(357, 65%, 27%)
HSV	hsv(357, 79%, 45%)
CMYK	cmyk(0%, 78.9%, 75.4%, 55.3%)
CIE-LAB	lab(24.69, 38.85, 21.81)
CIE-LCH	lch(24.69, 44.55, 29.31°)
OKLab	oklab(36.58% 0.1133 0.0498)
OKLCH	oklch(36.58% 0.124 23.7)
XYZ	xyz(7.4765, 4.3157, 1.5377)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#72181C #18726E

analogous

#721849 #72181C #724118

triadic

#72181C #1C7218 #181C72

tetradic

#72181C #497218 #18726E #411872

square

#72181C #497218 #18726E #411872

split-complementary

#72181C #187241 #184972

monochromatic

#190506 #3F0D10 #72181C #A52328 #D43138

Accessibility & contrast

On white

11.27

#72181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#72181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #72181C

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##72181C	#FFFFFF	#000000	##FFFFFF
##72181C	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)

#332E1B

Deuteranopia (green-blind)

#494219

Tritanopia (blue-blind)

#7E001A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #72181c;
/* rgb */ color: rgb(114, 24, 28);
/* oklch */ color: oklch(36.6% 0.124 23.7);

Tailwind

colors: {
  custom: {
    50: '#a25d58',
    500: '#72181c',
    950: '#000000',
  },
}

SCSS

$custom: #72181c;
$custom-light: #a25d58;
$custom-dark: #000000;

JSON

{
  "hex": "#72181c",
  "rgb": {
    "r": 114,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 357.333,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36581,
    "c": 0.12375,
    "h": 23.7
  },
  "luminance": 0.04315
}

Semantic roles & 50–950 ramp

primary

#72181C

secondary

#3EA7A3

accent

#E8E140

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #72181C

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

Preview Lab → · Contrast checker → · Palette generator →