#72181A#72181A

#72181A is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.5% C 0.124 H 24.8°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#72181A
RGB	rgb(114, 24, 26)
HSL	hsl(359, 65%, 27%)
HSV	hsv(359, 79%, 45%)
CMYK	cmyk(0%, 78.9%, 77.2%, 55.3%)
CIE-LAB	lab(24.66, 38.76, 23.07)
CIE-LCH	lch(24.66, 45.10, 30.77°)
OKLab	oklab(36.55% 0.1125 0.0521)
OKLCH	oklch(36.55% 0.124 24.8)
XYZ	xyz(7.4534, 4.3064, 1.4158)
Luminance	0.0430 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#72181A #187270

analogous

#721847 #72181A #724318

triadic

#72181A #1A7218 #181A72

tetradic

#72181A #477218 #187270 #431872

square

#72181A #477218 #187270 #431872

split-complementary

#72181A #187243 #184772

monochromatic

#190506 #3F0D0E #72181A #A52326 #D43134

Accessibility & contrast

On white

11.28

#72181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#72181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #72181A

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

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

#332E19

Deuteranopia (green-blind)

#494217

Tritanopia (blue-blind)

#7E001A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #72181a;
/* rgb */ color: rgb(114, 24, 26);
/* oklch */ color: oklch(36.5% 0.124 24.8);

Tailwind

colors: {
  custom: {
    50: '#a25d56',
    500: '#72181a',
    950: '#000000',
  },
}

SCSS

$custom: #72181a;
$custom-light: #a25d56;
$custom-dark: #000000;

JSON

{
  "hex": "#72181a",
  "rgb": {
    "r": 114,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.667,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.3655,
    "c": 0.12398,
    "h": 24.8
  },
  "luminance": 0.04305
}

Semantic roles & 50–950 ramp

primary

#72181A

secondary

#3EA7A5

accent

#E8E440

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #72181A

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

Preview Lab → · Contrast checker → · Palette generator →