#573ED9#573ED9

#573ED9 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.4% C 0.223 H 281.9°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#573ED9
RGB	rgb(87, 62, 217)
HSL	hsl(250, 67%, 55%)
HSV	hsv(250, 71%, 85%)
CMYK	cmyk(59.9%, 71.4%, 0%, 14.9%)
CIE-LAB	lab(38.69, 52.32, -75.56)
CIE-LCH	lch(38.69, 91.91, 304.70°)
OKLab	oklab(49.43% 0.0459 -0.2178)
OKLCH	oklch(49.43% 0.223 281.9)
XYZ	xyz(18.1736, 10.4800, 66.6974)
Luminance	0.1048 (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

#573ED9 #C0D93E

analogous

#3E73D9 #573ED9 #A43ED9

triadic

#573ED9 #D9573E #3ED957

tetradic

#573ED9 #D93E73 #C0D93E #3ED9A4

square

#573ED9 #D93E73 #C0D93E #3ED9A4

split-complementary

#573ED9 #D9A43E #73D93E

monochromatic

#2B1A83 #3B24B6 #573ED9 #8471E3 #B0A4ED

Accessibility & contrast

On white

6.78

#573ED9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#573ED9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573ED9

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573ED9	#FFFFFF	#000000	##FFFFFF
##573ED9	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0056D6

Tritanopia (blue-blind)

#006888

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #573ed9;
/* rgb */ color: rgb(87, 62, 217);
/* oklch */ color: oklch(49.4% 0.223 281.9);

Tailwind

colors: {
  custom: {
    50: '#9576e6',
    500: '#573ed9',
    950: '#000000',
  },
}

SCSS

$custom: #573ed9;
$custom-light: #9576e6;
$custom-dark: #000000;

JSON

{
  "hex": "#573ed9",
  "rgb": {
    "r": 87,
    "g": 62,
    "b": 217
  },
  "hsl": {
    "h": 249.677,
    "s": 67.1,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49425,
    "c": 0.22259,
    "h": 281.9
  },
  "luminance": 0.10481
}

Semantic roles & 50–950 ramp

primary

#573ED9

secondary

#D0DA99

accent

#EA3ECE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #573ED9

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

Preview Lab → · Contrast checker → · Palette generator →