#571B9D#571B9D

#571B9D is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.8% C 0.189 H 297.6°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#571B9D
RGB	rgb(87, 27, 157)
HSL	hsl(268, 71%, 36%)
HSV	hsv(268, 83%, 62%)
CMYK	cmyk(44.6%, 82.8%, 0%, 38.4%)
CIE-LAB	lab(27.42, 52.05, -58.60)
CIE-LCH	lch(27.42, 78.38, 311.61°)
OKLab	oklab(39.83% 0.0879 -0.1679)
OKLCH	oklch(39.83% 0.189 297.6)
XYZ	xyz(10.4066, 5.2442, 32.3557)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#571B9D #619D1B

analogous

#1B209D #571B9D #981B9D

triadic

#571B9D #9D571B #1B9D57

tetradic

#571B9D #9D1B20 #619D1B #1B9D98

square

#571B9D #9D1B20 #619D1B #1B9D98

split-complementary

#571B9D #9D981B #209D1B

monochromatic

#1D0935 #3A1269 #571B9D #7424D1 #9451E1

Accessibility & contrast

On white

10.25

#571B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#571B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #571B9D

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##571B9D	#FFFFFF	#000000	##FFFFFF
##571B9D	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#44415D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #571b9d;
/* rgb */ color: rgb(87, 27, 157);
/* oklch */ color: oklch(39.8% 0.189 297.6);

Tailwind

colors: {
  custom: {
    50: '#8e60bb',
    500: '#571b9d',
    950: '#000000',
  },
}

SCSS

$custom: #571b9d;
$custom-light: #8e60bb;
$custom-dark: #000000;

JSON

{
  "hex": "#571b9d",
  "rgb": {
    "r": 87,
    "g": 27,
    "b": 157
  },
  "hsl": {
    "h": 267.692,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39828,
    "c": 0.18949,
    "h": 297.6
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#571B9D

secondary

#8EC450

accent

#ED3A9B

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0512

muted

#7E7981

Preview Lab

Preview with #571B9D

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

Preview Lab → · Contrast checker → · Palette generator →