#571C81#571C81

#571C81 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.160 H 306.6°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#571C81
RGB	rgb(87, 28, 129)
HSL	hsl(275, 64%, 31%)
HSV	hsv(275, 78%, 51%)
CMYK	cmyk(32.6%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(25.08, 44.82, -45.06)
CIE-LCH	lch(25.08, 63.55, 314.85°)
OKLab	oklab(37.43% 0.0952 -0.1281)
OKLCH	oklch(37.43% 0.16 306.6)
XYZ	xyz(8.3073, 4.4418, 21.1843)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.25

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571C81 #46811C

analogous

#251C81 #571C81 #811C78

triadic

#571C81 #81571C #1C8157

tetradic

#571C81 #81251C #46811C #1C7881

square

#571C81 #81251C #46811C #1C7881

split-complementary

#571C81 #78811C #1C8125

monochromatic

#13061C #35114F #571C81 #7927B3 #9842D6

Accessibility & contrast

On white

11.12

#571C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#571C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571C81

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571C81	#FFFFFF	#000000	##FFFFFF
##571C81	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#50354D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #571c81;
/* rgb */ color: rgb(87, 28, 129);
/* oklch */ color: oklch(37.4% 0.160 306.6);

Tailwind

colors: {
  custom: {
    50: '#8b5fa6',
    500: '#571c81',
    950: '#000000',
  },
}

SCSS

$custom: #571c81;
$custom-light: #8b5fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#571c81",
  "rgb": {
    "r": 87,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 275.05,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37434,
    "c": 0.15963,
    "h": 306.6
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#571C81

secondary

#73B444

accent

#E74086

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #571C81

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

Preview Lab → · Contrast checker → · Palette generator →