#571B75#571B75

#571B75 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.4% C 0.148 H 311.6°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#571B75
RGB	rgb(87, 27, 117)
HSL	hsl(280, 63%, 28%)
HSV	hsv(280, 77%, 46%)
CMYK	cmyk(25.6%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(23.98, 42.43, -39.22)
CIE-LCH	lch(23.98, 57.78, 317.25°)
OKLab	oklab(36.36% 0.0986 -0.111)
OKLCH	oklch(36.36% 0.148 311.6)
XYZ	xyz(7.5327, 4.0947, 17.2197)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B75 #39751B

analogous

#2A1B75 #571B75 #751B66

triadic

#571B75 #75571B #1B7557

tetradic

#571B75 #752A1B #39751B #1B6675

square

#571B75 #752A1B #39751B #1B6675

split-complementary

#571B75 #66751B #1B752A

monochromatic

#120619 #321043 #571B75 #7C26A7 #9F39D1

Accessibility & contrast

On white

11.55

#571B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#571B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B75

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B75	#FFFFFF	#000000	##FFFFFF
##571B75	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003678

Deuteranopia (green-blind)

#0D3A73

Tritanopia (blue-blind)

#532F46

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #571b75;
/* rgb */ color: rgb(87, 27, 117);
/* oklch */ color: oklch(36.4% 0.148 311.6);

Tailwind

colors: {
  custom: {
    50: '#8a5e9d',
    500: '#571b75',
    950: '#000000',
  },
}

SCSS

$custom: #571b75;
$custom-light: #8a5e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#571b75",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 280,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36359,
    "c": 0.14843,
    "h": 311.6
  },
  "luminance": 0.04094
}

Semantic roles & 50–950 ramp

primary

#571B75

secondary

#65A942

accent

#E64279

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #571B75

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

Preview Lab → · Contrast checker → · Palette generator →