#573FD3#573FD3

#573FD3 is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 49.0% C 0.214 H 282.5°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#573FD3
RGB	rgb(87, 63, 211)
HSL	hsl(250, 63%, 54%)
HSV	hsv(250, 70%, 83%)
CMYK	cmyk(58.8%, 70.1%, 0%, 17.3%)
CIE-LAB	lab(38.35, 49.99, -72.67)
CIE-LCH	lch(38.35, 88.21, 304.52°)
OKLab	oklab(49.02% 0.0463 -0.2094)
OKLCH	oklch(49.02% 0.214 282.5)
XYZ	xyz(17.4622, 10.2832, 62.6801)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573FD3 #BBD33F

analogous

#3F71D3 #573FD3 #A13FD3

triadic

#573FD3 #D3573F #3FD357

tetradic

#573FD3 #D33F71 #BBD33F #3FD3A1

square

#573FD3 #D33F71 #BBD33F #3FD3A1

split-complementary

#573FD3 #D3A13F #71D33F

monochromatic

#2C1C7B #3D28AD #573FD3 #8371DE #AEA3EA

Accessibility & contrast

On white

6.87

#573FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#573FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573FD3

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573FD3	#FFFFFF	#000000	##FFFFFF
##573FD3	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD7

Deuteranopia (green-blind)

#0055D0

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #573fd3;
/* rgb */ color: rgb(87, 63, 211);
/* oklch */ color: oklch(49.0% 0.214 282.5);

Tailwind

colors: {
  custom: {
    50: '#9376e2',
    500: '#573fd3',
    950: '#000000',
  },
}

SCSS

$custom: #573fd3;
$custom-light: #9376e2;
$custom-dark: #000000;

JSON

{
  "hex": "#573fd3",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 211
  },
  "hsl": {
    "h": 249.73,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.49017,
    "c": 0.21441,
    "h": 282.5
  },
  "luminance": 0.10284
}

Semantic roles & 50–950 ramp

primary

#573FD3

secondary

#CCD797

accent

#E642CB

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0915

muted

#7E7B84

Preview Lab

Preview with #573FD3

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

Preview Lab → · Contrast checker → · Palette generator →