#571B85#571B85

#571B85 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.165 H 305.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#571B85
RGB	rgb(87, 27, 133)
HSL	hsl(274, 66%, 31%)
HSV	hsv(274, 80%, 52%)
CMYK	cmyk(34.6%, 79.7%, 0%, 47.8%)
CIE-LAB	lab(25.27, 46.19, -47.27)
CIE-LCH	lch(25.27, 66.09, 314.34°)
OKLab	oklab(37.67% 0.0952 -0.1346)
OKLCH	oklch(37.67% 0.165 305.3)
XYZ	xyz(8.5551, 4.5036, 22.6043)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.96

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B85 #49851B

analogous

#221B85 #571B85 #851B7E

triadic

#571B85 #85571B #1B8557

tetradic

#571B85 #85221B #49851B #1B7E85

square

#571B85 #85221B #49851B #1B7E85

split-complementary

#571B85 #7E851B #1B8522

monochromatic

#14061F #361152 #571B85 #7825B8 #9742D9

Accessibility & contrast

On white

11.05

#571B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#571B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B85

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B85	#FFFFFF	#000000	##FFFFFF
##571B85	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A88

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#4E3650

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #571b85;
/* rgb */ color: rgb(87, 27, 133);
/* oklch */ color: oklch(37.7% 0.165 305.3);

Tailwind

colors: {
  custom: {
    50: '#8b5fa9',
    500: '#571b85',
    950: '#000000',
  },
}

SCSS

$custom: #571b85;
$custom-light: #8b5fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#571b85",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 133
  },
  "hsl": {
    "h": 273.962,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37671,
    "c": 0.16484,
    "h": 305.3
  },
  "luminance": 0.04504
}

Semantic roles & 50–950 ramp

primary

#571B85

secondary

#76B844

accent

#E93F89

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #571B85

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

Preview Lab → · Contrast checker → · Palette generator →