#571C87#571C87

#571C87 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.166 H 304.4°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#571C87
RGB	rgb(87, 28, 135)
HSL	hsl(273, 66%, 32%)
HSV	hsv(273, 79%, 53%)
CMYK	cmyk(35.6%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(25.58, 46.26, -48.01)
CIE-LCH	lch(25.58, 66.67, 313.93°)
OKLab	oklab(37.94% 0.0937 -0.1368)
OKLCH	oklch(37.94% 0.166 304.4)
XYZ	xyz(8.7179, 4.6060, 23.3467)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.08

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571C87 #4C871C

analogous

#221C87 #571C87 #871C82

triadic

#571C87 #87571C #1C8757

tetradic

#571C87 #87221C #4C871C #1C8287

square

#571C87 #87221C #4C871C #1C8287

split-complementary

#571C87 #82871C #1C8722

monochromatic

#160722 #361154 #571C87 #7827BA #9645D8

Accessibility & contrast

On white

10.93

#571C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#571C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571C87

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571C87	#FFFFFF	#000000	##FFFFFF
##571C87	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#4E3851

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #571c87;
/* rgb */ color: rgb(87, 28, 135);
/* oklch */ color: oklch(37.9% 0.166 304.4);

Tailwind

colors: {
  custom: {
    50: '#8b5fab',
    500: '#571c87',
    950: '#000000',
  },
}

SCSS

$custom: #571c87;
$custom-light: #8b5fab;
$custom-dark: #000000;

JSON

{
  "hex": "#571c87",
  "rgb": {
    "r": 87,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 273.084,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37942,
    "c": 0.16585,
    "h": 304.4
  },
  "luminance": 0.04606
}

Semantic roles & 50–950 ramp

primary

#571C87

secondary

#79BA45

accent

#E93F8B

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #571C87

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

Preview Lab → · Contrast checker → · Palette generator →