#571B74#571B74

#571B74 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.3% C 0.147 H 312.1°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#571B74
RGB	rgb(87, 27, 116)
HSL	hsl(280, 62%, 28%)
HSV	hsv(280, 77%, 45%)
CMYK	cmyk(25%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(23.91, 42.21, -38.70)
CIE-LCH	lch(23.91, 57.27, 317.48°)
OKLab	oklab(36.28% 0.0988 -0.1094)
OKLCH	oklch(36.28% 0.147 312.1)
XYZ	xyz(7.4742, 4.0713, 16.9117)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B74 #38741B

analogous

#2A1B74 #571B74 #741B64

triadic

#571B74 #74571B #1B7457

tetradic

#571B74 #742A1B #38741B #1B6474

square

#571B74 #742A1B #38741B #1B6474

split-complementary

#571B74 #64741B #1B742A

monochromatic

#130619 #320F42 #571B74 #7C27A6 #9F39D1

Accessibility & contrast

On white

11.58

#571B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#571B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B74

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B74	#FFFFFF	#000000	##FFFFFF
##571B74	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003677

Deuteranopia (green-blind)

#0F3A72

Tritanopia (blue-blind)

#542F46

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #571b74;
/* rgb */ color: rgb(87, 27, 116);
/* oklch */ color: oklch(36.3% 0.147 312.1);

Tailwind

colors: {
  custom: {
    50: '#8a5e9d',
    500: '#571b74',
    950: '#000000',
  },
}

SCSS

$custom: #571b74;
$custom-light: #8a5e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#571b74",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 280.449,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36281,
    "c": 0.14741,
    "h": 312.1
  },
  "luminance": 0.04071
}

Semantic roles & 50–950 ramp

primary

#571B74

secondary

#64A942

accent

#E54278

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #571B74

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

Preview Lab → · Contrast checker → · Palette generator →