#571B88#571B88

#571B88 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.168 H 304.2°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#571B88
RGB	rgb(87, 27, 136)
HSL	hsl(273, 67%, 32%)
HSV	hsv(273, 80%, 53%)
CMYK	cmyk(36%, 80.1%, 0%, 46.7%)
CIE-LAB	lab(25.53, 46.91, -48.73)
CIE-LCH	lch(25.53, 67.64, 313.91°)
OKLab	oklab(37.93% 0.0944 -0.1389)
OKLCH	oklch(37.93% 0.168 304.2)
XYZ	xyz(8.7653, 4.5877, 23.7115)
Luminance	0.0459 (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

#571B88 #4C881B

analogous

#211B88 #571B88 #881B82

triadic

#571B88 #88571B #1B8857

tetradic

#571B88 #88211B #4C881B #1B8288

square

#571B88 #88211B #4C881B #1B8288

split-complementary

#571B88 #82881B #1B8821

monochromatic

#160722 #361155 #571B88 #7825BB #9644DA

Accessibility & contrast

On white

10.95

#571B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#571B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B88

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B88	#FFFFFF	#000000	##FFFFFF
##571B88	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8B

Deuteranopia (green-blind)

#003C86

Tritanopia (blue-blind)

#4D3851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #571b88;
/* rgb */ color: rgb(87, 27, 136);
/* oklch */ color: oklch(37.9% 0.168 304.2);

Tailwind

colors: {
  custom: {
    50: '#8c5fac',
    500: '#571b88',
    950: '#000000',
  },
}

SCSS

$custom: #571b88;
$custom-light: #8c5fac;
$custom-dark: #000000;

JSON

{
  "hex": "#571b88",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 136
  },
  "hsl": {
    "h": 273.028,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37929,
    "c": 0.16793,
    "h": 304.2
  },
  "luminance": 0.04588
}

Semantic roles & 50–950 ramp

primary

#571B88

secondary

#79BB44

accent

#EA3E8B

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #571B88

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

Preview Lab → · Contrast checker → · Palette generator →