#571B73#571B73

#571B73 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.2% C 0.146 H 312.5°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#571B73
RGB	rgb(87, 27, 115)
HSL	hsl(281, 62%, 28%)
HSV	hsv(281, 77%, 45%)
CMYK	cmyk(24.3%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(23.83, 41.98, -38.19)
CIE-LCH	lch(23.83, 56.75, 317.71°)
OKLab	oklab(36.2% 0.0989 -0.1079)
OKLCH	oklch(36.2% 0.146 312.5)
XYZ	xyz(7.4164, 4.0481, 16.6070)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B73 #37731B

analogous

#2B1B73 #571B73 #731B63

triadic

#571B73 #73571B #1B7357

tetradic

#571B73 #732B1B #37731B #1B6373

square

#571B73 #732B1B #37731B #1B6373

split-complementary

#571B73 #63731B #1B732B

monochromatic

#130619 #320F41 #571B73 #7C27A5 #A038D0

Accessibility & contrast

On white

11.60

#571B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#571B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B73

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B73	#FFFFFF	#000000	##FFFFFF
##571B73	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#103A71

Tritanopia (blue-blind)

#542F45

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #571b73;
/* rgb */ color: rgb(87, 27, 115);
/* oklch */ color: oklch(36.2% 0.146 312.5);

Tailwind

colors: {
  custom: {
    50: '#8a5e9c',
    500: '#571b73',
    950: '#000000',
  },
}

SCSS

$custom: #571b73;
$custom-light: #8a5e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#571b73",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 280.909,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36203,
    "c": 0.1464,
    "h": 312.5
  },
  "luminance": 0.04048
}

Semantic roles & 50–950 ramp

primary

#571B73

secondary

#62A842

accent

#E54376

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #571B73

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

Preview Lab → · Contrast checker → · Palette generator →