#573FD8#573FD8

#573FD8 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.5% C 0.220 H 281.9°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#573FD8
RGB	rgb(87, 63, 216)
HSL	hsl(249, 66%, 55%)
HSV	hsv(249, 71%, 85%)
CMYK	cmyk(59.7%, 70.8%, 0%, 15.3%)
CIE-LAB	lab(38.79, 51.49, -74.82)
CIE-LCH	lch(38.79, 90.83, 304.53°)
OKLab	oklab(49.47% 0.0453 -0.2156)
OKLCH	oklch(49.47% 0.22 281.9)
XYZ	xyz(18.0988, 10.5379, 66.0327)
Luminance	0.1054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.26

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573FD8 #C0D83F

analogous

#3F73D8 #573FD8 #A43FD8

triadic

#573FD8 #D8573F #3FD857

tetradic

#573FD8 #D83F73 #C0D83F #3FD8A4

square

#573FD8 #D83F73 #C0D83F #3FD8A4

split-complementary

#573FD8 #D8A43F #73D83F

monochromatic

#2B1A82 #3B25B5 #573FD8 #8472E2 #B0A5ED

Accessibility & contrast

On white

6.76

#573FD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#573FD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573FD8

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573FD8	#FFFFFF	#000000	##FFFFFF
##573FD8	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DD

Deuteranopia (green-blind)

#0056D5

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #573fd8;
/* rgb */ color: rgb(87, 63, 216);
/* oklch */ color: oklch(49.5% 0.220 281.9);

Tailwind

colors: {
  custom: {
    50: '#9477e5',
    500: '#573fd8',
    950: '#000000',
  },
}

SCSS

$custom: #573fd8;
$custom-light: #9477e5;
$custom-dark: #000000;

JSON

{
  "hex": "#573fd8",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 216
  },
  "hsl": {
    "h": 249.412,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49469,
    "c": 0.22036,
    "h": 281.9
  },
  "luminance": 0.10539
}

Semantic roles & 50–950 ramp

primary

#573FD8

secondary

#D0DA99

accent

#E93FCE

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #573FD8

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

Preview Lab → · Contrast checker → · Palette generator →