#573FDA#573FDA

#573FDA is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.7% C 0.223 H 281.6°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#573FDA
RGB	rgb(87, 63, 218)
HSL	hsl(249, 68%, 55%)
HSV	hsv(249, 71%, 85%)
CMYK	cmyk(60.1%, 71.1%, 0%, 14.5%)
CIE-LAB	lab(38.97, 52.09, -75.68)
CIE-LCH	lch(38.97, 91.87, 304.54°)
OKLab	oklab(49.65% 0.0449 -0.2181)
OKLCH	oklch(49.65% 0.223 281.6)
XYZ	xyz(18.3589, 10.6419, 67.4027)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573FDA #C2DA3F

analogous

#3F75DA #573FDA #A43FDA

triadic

#573FDA #DA573F #3FDA57

tetradic

#573FDA #DA3F75 #C2DA3F #3FDAA4

square

#573FDA #DA3F75 #C2DA3F #3FDAA4

split-complementary

#573FDA #DAA43F #75DA3F

monochromatic

#2A1A85 #3B24B8 #573FDA #8472E4 #B1A6EE

Accessibility & contrast

On white

6.71

#573FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#573FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573FDA

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573FDA	#FFFFFF	#000000	##FFFFFF
##573FDA	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DF

Deuteranopia (green-blind)

#0056D7

Tritanopia (blue-blind)

#006988

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #573fda;
/* rgb */ color: rgb(87, 63, 218);
/* oklch */ color: oklch(49.7% 0.223 281.6);

Tailwind

colors: {
  custom: {
    50: '#9577e7',
    500: '#573fda',
    950: '#000000',
  },
}

SCSS

$custom: #573fda;
$custom-light: #9577e7;
$custom-dark: #000000;

JSON

{
  "hex": "#573fda",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 218
  },
  "hsl": {
    "h": 249.29,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49652,
    "c": 0.22273,
    "h": 281.6
  },
  "luminance": 0.10643
}

Semantic roles & 50–950 ramp

primary

#573FDA

secondary

#D1DB9A

accent

#EB3DD0

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #573FDA

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

Preview Lab → · Contrast checker → · Palette generator →