#571B82#571B82

#571B82 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.162 H 306.4°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#571B82
RGB	rgb(87, 27, 130)
HSL	hsl(275, 66%, 31%)
HSV	hsv(275, 79%, 51%)
CMYK	cmyk(33.1%, 79.2%, 0%, 49%)
CIE-LAB	lab(25.02, 45.47, -45.79)
CIE-LCH	lch(25.02, 64.53, 314.80°)
OKLab	oklab(37.42% 0.0959 -0.1303)
OKLCH	oklch(37.42% 0.162 306.4)
XYZ	xyz(8.3508, 4.4219, 21.5283)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.06

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B82 #46821B

analogous

#231B82 #571B82 #821B79

triadic

#571B82 #82571B #1B8257

tetradic

#571B82 #82231B #46821B #1B7982

square

#571B82 #82231B #46821B #1B7982

split-complementary

#571B82 #79821B #1B8223

monochromatic

#13061D #35104F #571B82 #7926B5 #9840D7

Accessibility & contrast

On white

11.14

#571B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#571B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B82

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B82	#FFFFFF	#000000	##FFFFFF
##571B82	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003C80

Tritanopia (blue-blind)

#4F354E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #571b82;
/* rgb */ color: rgb(87, 27, 130);
/* oklch */ color: oklch(37.4% 0.162 306.4);

Tailwind

colors: {
  custom: {
    50: '#8b5fa7',
    500: '#571b82',
    950: '#000000',
  },
}

SCSS

$custom: #571b82;
$custom-light: #8b5fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#571b82",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 274.951,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37417,
    "c": 0.16176,
    "h": 306.4
  },
  "luminance": 0.04422
}

Semantic roles & 50–950 ramp

primary

#571B82

secondary

#73B643

accent

#E93F86

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #571B82

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

Preview Lab → · Contrast checker → · Palette generator →