#573CA8#573CA8

#573CA8 is a dark, vivid violet. Relative luminance 0.081; OKLCH L 44.9% C 0.165 H 289.6°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#573CA8
RGB	rgb(87, 60, 168)
HSL	hsl(255, 47%, 45%)
HSV	hsv(255, 64%, 66%)
CMYK	cmyk(48.2%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(34.16, 38.83, -54.25)
CIE-LCH	lch(34.16, 66.71, 305.59°)
OKLab	oklab(44.9% 0.0552 -0.1553)
OKLCH	oklch(44.9% 0.165 289.6)
XYZ	xyz(12.6122, 8.0846, 37.9341)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.10

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573CA8 #8DA83C

analogous

#3C57A8 #573CA8 #8D3CA8

triadic

#573CA8 #A8573C #3CA857

tetradic

#573CA8 #A83C57 #8DA83C #3CA88D

square

#573CA8 #A83C57 #8DA83C #3CA88D

split-complementary

#573CA8 #A88D3C #57A83C

monochromatic

#281C4E #402C7B #573CA8 #765CC5 #9C89D5

Accessibility & contrast

On white

8.02

#573CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#573CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573CA8

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573CA8	#FFFFFF	#000000	##FFFFFF
##573CA8	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AB

Deuteranopia (green-blind)

#004EA6

Tritanopia (blue-blind)

#3D566C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #573ca8;
/* rgb */ color: rgb(87, 60, 168);
/* oklch */ color: oklch(44.9% 0.165 289.6);

Tailwind

colors: {
  custom: {
    50: '#8d73c3',
    500: '#573ca8',
    950: '#000000',
  },
}

SCSS

$custom: #573ca8;
$custom-light: #8d73c3;
$custom-dark: #000000;

JSON

{
  "hex": "#573ca8",
  "rgb": {
    "r": 87,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 255,
    "s": 47.368,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44899,
    "c": 0.16481,
    "h": 289.6
  },
  "luminance": 0.08085
}

Semantic roles & 50–950 ramp

primary

#573CA8

secondary

#B0BF80

accent

#D751B5

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0812

muted

#7E7B81

Preview Lab

Preview with #573CA8

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

Preview Lab → · Contrast checker → · Palette generator →