#571B7F#571B7F

#571B7F is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.159 H 307.5°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#571B7F
RGB	rgb(87, 27, 127)
HSL	hsl(276, 65%, 30%)
HSV	hsv(276, 79%, 50%)
CMYK	cmyk(31.5%, 78.7%, 0%, 50.2%)
CIE-LAB	lab(24.77, 44.76, -44.30)
CIE-LCH	lch(24.77, 62.98, 315.30°)
OKLab	oklab(37.17% 0.0966 -0.1259)
OKLCH	oklch(37.17% 0.159 307.5)
XYZ	xyz(8.1524, 4.3425, 20.4833)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.23

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B7F #437F1B

analogous

#251B7F #571B7F #7F1B75

triadic

#571B7F #7F571B #1B7F57

tetradic

#571B7F #7F251B #437F1B #1B757F

square

#571B7F #7F251B #437F1B #1B757F

split-complementary

#571B7F #757F1B #1B7F25

monochromatic

#12061A #34104D #571B7F #7A26B1 #993ED6

Accessibility & contrast

On white

11.24

#571B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#571B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B7F

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B7F	#FFFFFF	#000000	##FFFFFF
##571B7F	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#50344C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #571b7f;
/* rgb */ color: rgb(87, 27, 127);
/* oklch */ color: oklch(37.2% 0.159 307.5);

Tailwind

colors: {
  custom: {
    50: '#8b5fa5',
    500: '#571b7f',
    950: '#000000',
  },
}

SCSS

$custom: #571b7f;
$custom-light: #8b5fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#571b7f",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 127
  },
  "hsl": {
    "h": 276,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37166,
    "c": 0.15868,
    "h": 307.5
  },
  "luminance": 0.04342
}

Semantic roles & 50–950 ramp

primary

#571B7F

secondary

#70B343

accent

#E84083

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #571B7F

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

Preview Lab → · Contrast checker → · Palette generator →