#571B7B#571B7B

#571B7B is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.155 H 309.1°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#571B7B
RGB	rgb(87, 27, 123)
HSL	hsl(278, 64%, 29%)
HSV	hsv(278, 78%, 48%)
CMYK	cmyk(29.3%, 78%, 0%, 51.8%)
CIE-LAB	lab(24.45, 43.82, -42.29)
CIE-LCH	lch(24.45, 60.90, 316.02°)
OKLab	oklab(36.84% 0.0975 -0.12)
OKLCH	oklch(36.84% 0.155 309.1)
XYZ	xyz(7.8968, 4.2403, 19.1375)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B7B #3F7B1B

analogous

#271B7B #571B7B #7B1B6F

triadic

#571B7B #7B571B #1B7B57

tetradic

#571B7B #7B271B #3F7B1B #1B6F7B

square

#571B7B #7B271B #3F7B1B #1B6F7B

split-complementary

#571B7B #6F7B1B #1B7B27

monochromatic

#120619 #341049 #571B7B #7A26AD #9B3CD4

Accessibility & contrast

On white

11.36

#571B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#571B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B7B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B7B	#FFFFFF	#000000	##FFFFFF
##571B7B	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#003B79

Tritanopia (blue-blind)

#52324A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #571b7b;
/* rgb */ color: rgb(87, 27, 123);
/* oklch */ color: oklch(36.8% 0.155 309.1);

Tailwind

colors: {
  custom: {
    50: '#8a5ea2',
    500: '#571b7b',
    950: '#000000',
  },
}

SCSS

$custom: #571b7b;
$custom-light: #8a5ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#571b7b",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 277.5,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.36838,
    "c": 0.15458,
    "h": 309.1
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#571B7B

secondary

#6BAF43

accent

#E7417F

background

#F8F5FA

surface

#F0E9F3

border

#CBC5CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #571B7B

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

Preview Lab → · Contrast checker → · Palette generator →