#573FB3#573FB3

#573FB3 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.3% C 0.175 H 286.9°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#573FB3
RGB	rgb(87, 63, 179)
HSL	hsl(252, 48%, 47%)
HSV	hsv(252, 65%, 70%)
CMYK	cmyk(51.4%, 64.8%, 0%, 29.8%)
CIE-LAB	lab(35.67, 40.37, -58.35)
CIE-LCH	lch(35.67, 70.96, 304.68°)
OKLab	oklab(46.26% 0.051 -0.1673)
OKLCH	oklch(46.26% 0.175 286.9)
XYZ	xyz(13.8423, 8.8353, 43.6151)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.73

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573FB3 #9BB33F

analogous

#3F61B3 #573FB3 #913FB3

triadic

#573FB3 #B3573F #3FB357

tetradic

#573FB3 #B33F61 #9BB33F #3FB391

square

#573FB3 #B33F61 #9BB33F #3FB391

split-complementary

#573FB3 #B3913F #61B33F

monochromatic

#2B1F58 #412F86 #573FB3 #7B66C9 #A293D9

Accessibility & contrast

On white

7.59

#573FB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#573FB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573FB3

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573FB3	#FFFFFF	#000000	##FFFFFF
##573FB3	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#0051B1

Tritanopia (blue-blind)

#355B73

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #573fb3;
/* rgb */ color: rgb(87, 63, 179);
/* oklch */ color: oklch(46.3% 0.175 286.9);

Tailwind

colors: {
  custom: {
    50: '#8e75cb',
    500: '#573fb3',
    950: '#000000',
  },
}

SCSS

$custom: #573fb3;
$custom-light: #8e75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#573fb3",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 179
  },
  "hsl": {
    "h": 252.414,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46261,
    "c": 0.17494,
    "h": 286.9
  },
  "luminance": 0.08836
}

Semantic roles & 50–950 ramp

primary

#573FB3

secondary

#B8C489

accent

#D850BC

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573FB3

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

Preview Lab → · Contrast checker → · Palette generator →