#573FD4#573FD4

#573FD4 is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 49.1% C 0.216 H 282.3°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#573FD4
RGB	rgb(87, 63, 212)
HSL	hsl(250, 63%, 54%)
HSV	hsv(250, 70%, 83%)
CMYK	cmyk(59%, 70.3%, 0%, 16.9%)
CIE-LAB	lab(38.43, 50.29, -73.11)
CIE-LCH	lch(38.43, 88.73, 304.53°)
OKLab	oklab(49.11% 0.0461 -0.2106)
OKLCH	oklch(49.11% 0.216 282.3)
XYZ	xyz(17.5880, 10.3335, 63.3424)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573FD4 #BCD43F

analogous

#3F72D4 #573FD4 #A13FD4

triadic

#573FD4 #D4573F #3FD457

tetradic

#573FD4 #D43F72 #BCD43F #3FD4A1

square

#573FD4 #D43F72 #BCD43F #3FD4A1

split-complementary

#573FD4 #D4A13F #72D43F

monochromatic

#2C1C7D #3D27AF #573FD4 #8371DF #AFA3EA

Accessibility & contrast

On white

6.85

#573FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#573FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573FD4

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573FD4	#FFFFFF	#000000	##FFFFFF
##573FD4	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD8

Deuteranopia (green-blind)

#0055D1

Tritanopia (blue-blind)

#006785

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #573fd4;
/* rgb */ color: rgb(87, 63, 212);
/* oklch */ color: oklch(49.1% 0.216 282.3);

Tailwind

colors: {
  custom: {
    50: '#9476e2',
    500: '#573fd4',
    950: '#000000',
  },
}

SCSS

$custom: #573fd4;
$custom-light: #9476e2;
$custom-dark: #000000;

JSON

{
  "hex": "#573fd4",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 212
  },
  "hsl": {
    "h": 249.664,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49107,
    "c": 0.21561,
    "h": 282.3
  },
  "luminance": 0.10335
}

Semantic roles & 50–950 ramp

primary

#573FD4

secondary

#CDD798

accent

#E641CC

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #573FD4

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

Preview Lab → · Contrast checker → · Palette generator →