#72181F#72181F

#72181F is a dark, vivid red. Relative luminance 0.043; OKLCH L 36.6% C 0.123 H 21.9°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#72181F
RGB	rgb(114, 24, 31)
HSL	hsl(355, 65%, 27%)
HSV	hsv(355, 79%, 45%)
CMYK	cmyk(0%, 78.9%, 72.8%, 55.3%)
CIE-LAB	lab(24.74, 39.01, 19.89)
CIE-LCH	lch(24.74, 43.79, 27.02°)
OKLab	oklab(36.63% 0.1145 0.0461)
OKLCH	oklch(36.63% 0.123 21.9)
XYZ	xyz(7.5142, 4.3308, 1.7363)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#72181F #18726B

analogous

#72184C #72181F #723E18

triadic

#72181F #1F7218 #181F72

tetradic

#72181F #4C7218 #18726B #3E1872

square

#72181F #4C7218 #18726B #3E1872

split-complementary

#72181F #18723E #184C72

monochromatic

#190507 #3F0D11 #72181F #A5232D #D4313D

Accessibility & contrast

On white

11.25

#72181F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#72181F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #72181F

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##72181F	#FFFFFF	#000000	##FFFFFF
##72181F	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E1E

Deuteranopia (green-blind)

#49421C

Tritanopia (blue-blind)

#7E001B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #72181f;
/* rgb */ color: rgb(114, 24, 31);
/* oklch */ color: oklch(36.6% 0.123 21.9);

Tailwind

colors: {
  custom: {
    50: '#a15d5a',
    500: '#72181f',
    950: '#000000',
  },
}

SCSS

$custom: #72181f;
$custom-light: #a15d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#72181f",
  "rgb": {
    "r": 114,
    "g": 24,
    "b": 31
  },
  "hsl": {
    "h": 355.333,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36631,
    "c": 0.12346,
    "h": 21.9
  },
  "luminance": 0.0433
}

Semantic roles & 50–950 ramp

primary

#72181F

secondary

#3EA79F

accent

#E8DB40

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #72181F

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

Preview Lab → · Contrast checker → · Palette generator →