#573CB3#573CB3

#573CB3 is a mid, vivid violet. Relative luminance 0.085; OKLCH L 45.8% C 0.179 H 287.6°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#573CB3
RGB	rgb(87, 60, 179)
HSL	hsl(254, 50%, 47%)
HSV	hsv(254, 66%, 70%)
CMYK	cmyk(51.4%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(35.03, 42.09, -59.39)
CIE-LCH	lch(35.03, 72.79, 305.32°)
OKLab	oklab(45.8% 0.054 -0.1704)
OKLCH	oklch(45.8% 0.179 287.6)
XYZ	xyz(13.6806, 8.5120, 43.5612)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573CB3 #98B33C

analogous

#3C5DB3 #573CB3 #933CB3

triadic

#573CB3 #B3573C #3CB357

tetradic

#573CB3 #B33C5D #98B33C #3CB393

square

#573CB3 #B33C5D #98B33C #3CB393

split-complementary

#573CB3 #B3933C #5DB33C

monochromatic

#2A1D57 #412D85 #573CB3 #7A62CA #A090DA

Accessibility & contrast

On white

7.77

#573CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#573CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573CB3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573CB3	#FFFFFF	#000000	##FFFFFF
##573CB3	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#355A72

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #573cb3;
/* rgb */ color: rgb(87, 60, 179);
/* oklch */ color: oklch(45.8% 0.179 287.6);

Tailwind

colors: {
  custom: {
    50: '#8f73cb',
    500: '#573cb3',
    950: '#000000',
  },
}

SCSS

$custom: #573cb3;
$custom-light: #8f73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#573cb3",
  "rgb": {
    "r": 87,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 253.613,
    "s": 49.791,
    "l": 46.863
  },
  "oklch": {
    "l": 0.458,
    "c": 0.17875,
    "h": 287.6
  },
  "luminance": 0.08513
}

Semantic roles & 50–950 ramp

primary

#573CB3

secondary

#B6C586

accent

#D94EBA

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #573CB3

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

Preview Lab → · Contrast checker → · Palette generator →