#573FE3#573FE3

#573FE3 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 50.5% C 0.233 H 280.7°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#573FE3
RGB	rgb(87, 63, 227)
HSL	hsl(249, 75%, 57%)
HSV	hsv(249, 72%, 89%)
CMYK	cmyk(61.7%, 72.2%, 0%, 11%)
CIE-LAB	lab(39.79, 54.76, -79.47)
CIE-LCH	lch(39.79, 96.51, 304.57°)
OKLab	oklab(50.48% 0.0431 -0.2292)
OKLCH	oklch(50.48% 0.233 280.7)
XYZ	xyz(19.5687, 11.1258, 73.7744)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573FE3 #CBE33F

analogous

#3F79E3 #573FE3 #A93FE3

triadic

#573FE3 #E3573F #3FE357

tetradic

#573FE3 #E33F79 #CBE33F #3FE3A9

square

#573FE3 #E33F79 #CBE33F #3FE3A9

split-complementary

#573FE3 #E3A93F #79E33F

monochromatic

#281592 #361DC8 #573FE3 #8674EB #B4AAF3

Accessibility & contrast

On white

6.51

#573FE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#573FE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573FE3

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573FE3	#FFFFFF	#000000	##FFFFFF
##573FE3	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E8

Deuteranopia (green-blind)

#0058E0

Tritanopia (blue-blind)

#006D8D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #573fe3;
/* rgb */ color: rgb(87, 63, 227);
/* oklch */ color: oklch(50.5% 0.233 280.7);

Tailwind

colors: {
  custom: {
    50: '#9677ed',
    500: '#573fe3',
    950: '#000000',
  },
}

SCSS

$custom: #573fe3;
$custom-light: #9677ed;
$custom-dark: #000000;

JSON

{
  "hex": "#573fe3",
  "rgb": {
    "r": 87,
    "g": 63,
    "b": 227
  },
  "hsl": {
    "h": 248.78,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.50484,
    "c": 0.23326,
    "h": 280.7
  },
  "luminance": 0.11127
}

Semantic roles & 50–950 ramp

primary

#573FE3

secondary

#D7E09D

accent

#F137D6

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #573FE3

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

Preview Lab → · Contrast checker → · Palette generator →