#571B84#571B84

#571B84 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.164 H 305.6°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#571B84
RGB	rgb(87, 27, 132)
HSL	hsl(274, 66%, 31%)
HSV	hsv(274, 80%, 52%)
CMYK	cmyk(34.1%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(25.19, 45.95, -46.78)
CIE-LCH	lch(25.19, 65.57, 314.49°)
OKLab	oklab(37.59% 0.0954 -0.1332)
OKLCH	oklch(37.59% 0.164 305.6)
XYZ	xyz(8.4863, 4.4761, 22.2422)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B84 #48841B

analogous

#221B84 #571B84 #841B7C

triadic

#571B84 #84571B #1B8457

tetradic

#571B84 #84221B #48841B #1B7C84

square

#571B84 #84221B #48841B #1B7C84

split-complementary

#571B84 #7C841B #1B8422

monochromatic

#14061E #361151 #571B84 #7825B7 #9741D8

Accessibility & contrast

On white

11.08

#571B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#571B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B84

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B84	#FFFFFF	#000000	##FFFFFF
##571B84	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A87

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#4F364F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #571b84;
/* rgb */ color: rgb(87, 27, 132);
/* oklch */ color: oklch(37.6% 0.164 305.6);

Tailwind

colors: {
  custom: {
    50: '#8b5fa9',
    500: '#571b84',
    950: '#000000',
  },
}

SCSS

$custom: #571b84;
$custom-light: #8b5fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#571b84",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 274.286,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37586,
    "c": 0.16382,
    "h": 305.6
  },
  "luminance": 0.04476
}

Semantic roles & 50–950 ramp

primary

#571B84

secondary

#75B743

accent

#E93F88

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #571B84

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

Preview Lab → · Contrast checker → · Palette generator →