#571B78#571B78

#571B78 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.6% C 0.152 H 310.3°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#571B78
RGB	rgb(87, 27, 120)
HSL	hsl(279, 63%, 29%)
HSV	hsv(279, 78%, 47%)
CMYK	cmyk(27.5%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(24.21, 43.12, -40.76)
CIE-LCH	lch(24.21, 59.34, 316.61°)
OKLab	oklab(36.6% 0.0981 -0.1155)
OKLCH	oklch(36.6% 0.152 310.3)
XYZ	xyz(7.7119, 4.1663, 18.1636)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B78 #3C781B

analogous

#291B78 #571B78 #781B6B

triadic

#571B78 #78571B #1B7857

tetradic

#571B78 #78291B #3C781B #1B6B78

square

#571B78 #78291B #3C781B #1B6B78

split-complementary

#571B78 #6B781B #1B7829

monochromatic

#120619 #331046 #571B78 #7B26AA #9D3BD3

Accessibility & contrast

On white

11.46

#571B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#571B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B78

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B78	#FFFFFF	#000000	##FFFFFF
##571B78	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#053A76

Tritanopia (blue-blind)

#523148

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #571b78;
/* rgb */ color: rgb(87, 27, 120);
/* oklch */ color: oklch(36.6% 0.152 310.3);

Tailwind

colors: {
  custom: {
    50: '#8a5ea0',
    500: '#571b78',
    950: '#000000',
  },
}

SCSS

$custom: #571b78;
$custom-light: #8a5ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#571b78",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 278.71,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36596,
    "c": 0.15151,
    "h": 310.3
  },
  "luminance": 0.04166
}

Semantic roles & 50–950 ramp

primary

#571B78

secondary

#68AC43

accent

#E6417C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #571B78

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

Preview Lab → · Contrast checker → · Palette generator →