#573FB5#573FB5

#573FB5 is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.4% C 0.177 H 286.6°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#573FB5
RGB	rgb(87, 63, 181)
HSL	hsl(252, 48%, 48%)
HSV	hsv(252, 65%, 71%)
CMYK	cmyk(51.9%, 65.2%, 0%, 29%)
CIE-LAB	lab(35.82, 40.97, -59.28)
CIE-LCH	lch(35.82, 72.06, 304.65°)
OKLab	oklab(46.43% 0.0508 -0.1701)
OKLCH	oklch(46.43% 0.177 286.6)
XYZ	xyz(14.0460, 8.9167, 44.6881)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.68

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573FB5 #9DB53F

analogous

#3F62B5 #573FB5 #923FB5

triadic

#573FB5 #B5573F #3FB557

tetradic

#573FB5 #B53F62 #9DB53F #3FB592

square

#573FB5 #B53F62 #9DB53F #3FB592

split-complementary

#573FB5 #B5923F #62B53F

monochromatic

#2B1F5A #412F88 #573FB5 #7B67CA #A394DA

Accessibility & contrast

On white

7.54

#573FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#573FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573FB5

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573FB5	#FFFFFF	#000000	##FFFFFF
##573FB5	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B9

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#335C74

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #573fb5;
/* rgb */ color: rgb(87, 63, 181);
/* oklch */ color: oklch(46.4% 0.177 286.6);

Tailwind

colors: {
  custom: {
    50: '#8f75cc',
    500: '#573fb5',
    950: '#000000',
  },
}

SCSS

$custom: #573fb5;
$custom-light: #8f75cc;
$custom-dark: #000000;

JSON

{
  "hex": "#573fb5",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 181
  },
  "hsl": {
    "h": 252.203,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46425,
    "c": 0.17748,
    "h": 286.6
  },
  "luminance": 0.08917
}

Semantic roles & 50–950 ramp

primary

#573FB5

secondary

#B9C58A

accent

#D850BC

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573FB5

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

Preview Lab → · Contrast checker → · Palette generator →