#17031B#17031B

#17031B is a very dark, muted purple. Relative luminance 0.003; OKLCH L 15.6% C 0.059 H 321.2°. Best body text is #FFFFFF at 19.71:1 contrast (WCAG AA passes).

Color values

HEX	#17031B
RGB	rgb(23, 3, 27)
HSL	hsl(290, 80%, 6%)
HSV	hsv(290, 89%, 11%)
CMYK	cmyk(14.8%, 88.9%, 0%, 89.4%)
CIE-LAB	lab(2.95, 11.20, -10.16)
CIE-LCH	lch(2.95, 15.12, 317.80°)
OKLab	oklab(15.59% 0.0458 -0.0368)
OKLCH	oklch(15.59% 0.059 321.2)
XYZ	xyz(0.5837, 0.3264, 1.0690)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17031B #071B03

analogous

#0B031B #17031B #1B0313

triadic

#17031B #1B1703 #031B17

tetradic

#17031B #1B0B03 #071B03 #03131B

square

#17031B #1B0B03 #071B03 #03131B

split-complementary

#17031B #131B03 #031B0B

monochromatic

#17031C #17031C #17031C #460952 #750F89

Accessibility & contrast

On white

19.71

#17031B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#17031B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17031B

19.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17031B	#FFFFFF	#000000	##FFFFFF
##17031B	1.00	19.71	1.07	19.71
#FFFFFF	19.71	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00091C

Deuteranopia (green-blind)

#050C1A

Tritanopia (blue-blind)

#17060D

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #17031b;
/* rgb */ color: rgb(23, 3, 27);
/* oklch */ color: oklch(15.6% 0.059 321.2);

Tailwind

colors: {
  custom: {
    50: '#534857',
    500: '#17031b',
    950: '#000000',
  },
}

SCSS

$custom: #17031b;
$custom-light: #534857;
$custom-dark: #000000;

JSON

{
  "hex": "#17031b",
  "rgb": {
    "r": 23,
    "g": 3,
    "b": 27
  },
  "hsl": {
    "h": 290,
    "s": 80,
    "l": 5.882
  },
  "oklch": {
    "l": 0.15592,
    "c": 0.05869,
    "h": 321.2
  },
  "luminance": 0.00326
}

Semantic roles & 50–950 ramp

primary

#17031B

secondary

#265F1B

accent

#F63152

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#020003

muted

#787778

Preview Lab

Preview with #17031B

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

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