#571B87#571B87

#571B87 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.8% C 0.167 H 304.5°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#571B87
RGB	rgb(87, 27, 135)
HSL	hsl(273, 67%, 32%)
HSV	hsv(273, 80%, 53%)
CMYK	cmyk(35.6%, 80%, 0%, 47.1%)
CIE-LAB	lab(25.44, 46.67, -48.24)
CIE-LCH	lch(25.44, 67.12, 314.05°)
OKLab	oklab(37.84% 0.0946 -0.1375)
OKLCH	oklch(37.84% 0.167 304.5)
XYZ	xyz(8.6946, 4.5594, 23.3390)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.94

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B87 #4B871B

analogous

#211B87 #571B87 #871B81

triadic

#571B87 #87571B #1B8757

tetradic

#571B87 #87211B #4B871B #1B8187

square

#571B87 #87211B #4B871B #1B8187

split-complementary

#571B87 #81871B #1B8721

monochromatic

#150721 #361154 #571B87 #7825BA #9743D9

Accessibility & contrast

On white

10.98

#571B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#571B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B87

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B87	#FFFFFF	#000000	##FFFFFF
##571B87	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#4E3751

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #571b87;
/* rgb */ color: rgb(87, 27, 135);
/* oklch */ color: oklch(37.8% 0.167 304.5);

Tailwind

colors: {
  custom: {
    50: '#8c5fab',
    500: '#571b87',
    950: '#000000',
  },
}

SCSS

$custom: #571b87;
$custom-light: #8c5fab;
$custom-dark: #000000;

JSON

{
  "hex": "#571b87",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 273.333,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37843,
    "c": 0.16689,
    "h": 304.5
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#571B87

secondary

#78BA44

accent

#EA3E8A

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #571B87

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

Preview Lab → · Contrast checker → · Palette generator →