#571B71#571B71

#571B71 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.0% C 0.144 H 313.4°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#571B71
RGB	rgb(87, 27, 113)
HSL	hsl(282, 61%, 27%)
HSV	hsv(282, 76%, 44%)
CMYK	cmyk(23%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(23.68, 41.53, -37.14)
CIE-LCH	lch(23.68, 55.71, 318.19°)
OKLab	oklab(36.05% 0.0992 -0.1049)
OKLCH	oklch(36.05% 0.144 313.4)
XYZ	xyz(7.3025, 4.0026, 16.0075)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B71 #35711B

analogous

#2C1B71 #571B71 #711B60

triadic

#571B71 #71571B #1B7157

tetradic

#571B71 #712C1B #35711B #1B6071

square

#571B71 #712C1B #35711B #1B6071

split-complementary

#571B71 #60711B #1B712C

monochromatic

#130619 #310F40 #571B71 #7D27A2 #A137CF

Accessibility & contrast

On white

11.66

#571B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#571B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B71

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B71	#FFFFFF	#000000	##FFFFFF
##571B71	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#143A6F

Tritanopia (blue-blind)

#542E44

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #571b71;
/* rgb */ color: rgb(87, 27, 113);
/* oklch */ color: oklch(36.0% 0.144 313.4);

Tailwind

colors: {
  custom: {
    50: '#8a5e9a',
    500: '#571b71',
    950: '#000000',
  },
}

SCSS

$custom: #571b71;
$custom-light: #8a5e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#571b71",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 281.86,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36049,
    "c": 0.14435,
    "h": 313.4
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#571B71

secondary

#60A642

accent

#E54374

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #571B71

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

Preview Lab → · Contrast checker → · Palette generator →