#571B66#571B66

#571B66 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.2% C 0.133 H 318.9°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#571B66
RGB	rgb(87, 27, 102)
HSL	hsl(288, 58%, 25%)
HSV	hsv(288, 74%, 40%)
CMYK	cmyk(14.7%, 73.5%, 0%, 60%)
CIE-LAB	lab(22.89, 39.10, -31.27)
CIE-LCH	lch(22.89, 50.07, 321.35°)
OKLab	oklab(35.24% 0.1004 -0.0877)
OKLCH	oklch(35.24% 0.133 318.9)
XYZ	xyz(6.7204, 3.7697, 12.9414)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.94

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B66 #2A661B

analogous

#311B66 #571B66 #661B4F

triadic

#571B66 #66571B #1B6657

tetradic

#571B66 #66311B #2A661B #1B4F66

square

#571B66 #66311B #2A661B #1B4F66

split-complementary

#571B66 #4F661B #1B6631

monochromatic

#150618 #2E0E36 #571B66 #802896 #AA35C7

Accessibility & contrast

On white

11.97

#571B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#571B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B66

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B66	#FFFFFF	#000000	##FFFFFF
##571B66	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003368

Deuteranopia (green-blind)

#203964

Tritanopia (blue-blind)

#57293E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #571b66;
/* rgb */ color: rgb(87, 27, 102);
/* oklch */ color: oklch(35.2% 0.133 318.9);

Tailwind

colors: {
  custom: {
    50: '#895d92',
    500: '#571b66',
    950: '#000000',
  },
}

SCSS

$custom: #571b66;
$custom-light: #895d92;
$custom-dark: #000000;

JSON

{
  "hex": "#571b66",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 102
  },
  "hsl": {
    "h": 288,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3524,
    "c": 0.13325,
    "h": 318.9
  },
  "luminance": 0.03769
}

Semantic roles & 50–950 ramp

primary

#571B66

secondary

#539B41

accent

#E14665

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C040D

muted

#7D797E

Preview Lab

Preview with #571B66

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

Preview Lab → · Contrast checker → · Palette generator →