#571783#571783

#571783 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.167 H 306.4°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#571783
RGB	rgb(87, 23, 131)
HSL	hsl(276, 70%, 30%)
HSV	hsv(276, 82%, 51%)
CMYK	cmyk(33.6%, 82.4%, 0%, 48.6%)
CIE-LAB	lab(24.57, 47.25, -47.15)
CIE-LCH	lch(24.57, 66.75, 315.06°)
OKLab	oklab(37.13% 0.0991 -0.1342)
OKLCH	oklch(37.13% 0.167 306.4)
XYZ	xyz(8.3327, 4.2778, 21.8551)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.51

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571783 #438317

analogous

#211783 #571783 #831779

triadic

#571783 #835717 #178357

tetradic

#571783 #832117 #438317 #177983

square

#571783 #832117 #438317 #177983

split-complementary

#571783 #798317 #178321

monochromatic

#12051B #340E4F #571783 #7A20B7 #9938DC

Accessibility & contrast

On white

11.32

#571783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#571783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571783

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571783	#FFFFFF	#000000	##FFFFFF
##571783	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003886

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#4F344E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #571783;
/* rgb */ color: rgb(87, 23, 131);
/* oklch */ color: oklch(37.1% 0.167 306.4);

Tailwind

colors: {
  custom: {
    50: '#8b5da8',
    500: '#571783',
    950: '#000000',
  },
}

SCSS

$custom: #571783;
$custom-light: #8b5da8;
$custom-dark: #000000;

JSON

{
  "hex": "#571783",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 131
  },
  "hsl": {
    "h": 275.556,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37128,
    "c": 0.16686,
    "h": 306.4
  },
  "luminance": 0.04278
}

Semantic roles & 50–950 ramp

primary

#571783

secondary

#70B73F

accent

#ED3B83

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #571783

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

Preview Lab → · Contrast checker → · Palette generator →