#18031D#18031D

#18031D is a very dark, moderate purple. Relative luminance 0.003; OKLCH L 16.0% C 0.062 H 320.0°. Best body text is #FFFFFF at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#18031D
RGB	rgb(24, 3, 29)
HSL	hsl(288, 81%, 6%)
HSV	hsv(288, 90%, 11%)
CMYK	cmyk(17.2%, 89.7%, 0%, 88.6%)
CIE-LAB	lab(3.14, 12.29, -11.45)
CIE-LCH	lch(3.14, 16.80, 317.03°)
OKLab	oklab(15.95% 0.0472 -0.0396)
OKLCH	oklch(15.95% 0.062 320)
XYZ	xyz(0.6310, 0.3481, 1.1961)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18031D #081D03

analogous

#0B031D #18031D #1D0315

triadic

#18031D #1D1803 #031D18

tetradic

#18031D #1D0B03 #081D03 #03151D

square

#18031D #1D0B03 #081D03 #03151D

split-complementary

#18031D #151D03 #031D0B

monochromatic

#17031C #17031C #18031D #460954 #740E8C

Accessibility & contrast

On white

19.63

#18031D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#18031D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18031D

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18031D	#FFFFFF	#000000	##FFFFFF
##18031D	1.00	19.63	1.07	19.63
#FFFFFF	19.63	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A1E

Deuteranopia (green-blind)

#040C1C

Tritanopia (blue-blind)

#18060E

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #18031d;
/* rgb */ color: rgb(24, 3, 29);
/* oklch */ color: oklch(16.0% 0.062 320.0);

Tailwind

colors: {
  custom: {
    50: '#544858',
    500: '#18031d',
    950: '#000000',
  },
}

SCSS

$custom: #18031d;
$custom-light: #544858;
$custom-dark: #000000;

JSON

{
  "hex": "#18031d",
  "rgb": {
    "r": 24,
    "g": 3,
    "b": 29
  },
  "hsl": {
    "h": 288.462,
    "s": 81.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.15952,
    "c": 0.06165,
    "h": 320
  },
  "luminance": 0.00348
}

Semantic roles & 50–950 ramp

primary

#18031D

secondary

#28611B

accent

#F83057

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#020003

muted

#787778

Preview Lab

Preview with #18031D

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

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