#571D81#571D81

#571D81 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.5% C 0.159 H 306.5°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#571D81
RGB	rgb(87, 29, 129)
HSL	hsl(275, 63%, 31%)
HSV	hsv(275, 78%, 51%)
CMYK	cmyk(32.6%, 77.5%, 0%, 49.4%)
CIE-LAB	lab(25.23, 44.39, -44.82)
CIE-LCH	lch(25.23, 63.09, 314.73°)
OKLab	oklab(37.54% 0.0942 -0.1274)
OKLCH	oklch(37.54% 0.159 306.5)
XYZ	xyz(8.3314, 4.4900, 21.1924)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.40

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571D81 #47811D

analogous

#251D81 #571D81 #811D79

triadic

#571D81 #81571D #1D8157

tetradic

#571D81 #81251D #47811D #1D7981

square

#571D81 #81251D #47811D #1D7981

split-complementary

#571D81 #79811D #1D8125

monochromatic

#14071D #35124F #571D81 #7928B3 #9844D5

Accessibility & contrast

On white

11.06

#571D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#571D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571D81

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571D81	#FFFFFF	#000000	##FFFFFF
##571D81	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#50364E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #571d81;
/* rgb */ color: rgb(87, 29, 129);
/* oklch */ color: oklch(37.5% 0.159 306.5);

Tailwind

colors: {
  custom: {
    50: '#8b60a6',
    500: '#571d81',
    950: '#000000',
  },
}

SCSS

$custom: #571d81;
$custom-light: #8b60a6;
$custom-dark: #000000;

JSON

{
  "hex": "#571d81",
  "rgb": {
    "r": 87,
    "g": 29,
    "b": 129
  },
  "hsl": {
    "h": 274.8,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37539,
    "c": 0.1585,
    "h": 306.5
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#571D81

secondary

#74B446

accent

#E64187

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #571D81

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

Preview Lab → · Contrast checker → · Palette generator →