#571B79#571B79

#571B79 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.153 H 309.9°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#571B79
RGB	rgb(87, 27, 121)
HSL	hsl(278, 64%, 29%)
HSV	hsv(278, 78%, 47%)
CMYK	cmyk(28.1%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(24.29, 43.36, -41.27)
CIE-LCH	lch(24.29, 59.86, 316.41°)
OKLab	oklab(36.68% 0.0979 -0.117)
OKLCH	oklch(36.68% 0.153 309.9)
XYZ	xyz(7.7729, 4.1907, 18.4849)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B79 #3D791B

analogous

#281B79 #571B79 #791B6C

triadic

#571B79 #79571B #1B7957

tetradic

#571B79 #79281B #3D791B #1B6C79

square

#571B79 #79281B #3D791B #1B6C79

split-complementary

#571B79 #6C791B #1B7928

monochromatic

#120619 #331047 #571B79 #7B26AB #9C3BD3

Accessibility & contrast

On white

11.42

#571B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#571B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B79

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B79	#FFFFFF	#000000	##FFFFFF
##571B79	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377C

Deuteranopia (green-blind)

#033B77

Tritanopia (blue-blind)

#523149

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #571b79;
/* rgb */ color: rgb(87, 27, 121);
/* oklch */ color: oklch(36.7% 0.153 309.9);

Tailwind

colors: {
  custom: {
    50: '#8a5ea0',
    500: '#571b79',
    950: '#000000',
  },
}

SCSS

$custom: #571b79;
$custom-light: #8a5ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#571b79",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 278.298,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36676,
    "c": 0.15253,
    "h": 309.9
  },
  "luminance": 0.04191
}

Semantic roles & 50–950 ramp

primary

#571B79

secondary

#69AD43

accent

#E7417D

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #571B79

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

Preview Lab → · Contrast checker → · Palette generator →