#573EFF#573EFF

#573EFF is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 53.0% C 0.266 H 278.1°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#573EFF
RGB	rgb(87, 62, 255)
HSL	hsl(248, 100%, 62%)
HSV	hsv(248, 76%, 100%)
CMYK	cmyk(65.9%, 75.7%, 0%, 0%)
CIE-LAB	lab(42.29, 63.44, -91.14)
CIE-LCH	lch(42.29, 111.04, 304.84°)
OKLab	oklab(53.05% 0.0375 -0.2633)
OKLCH	oklch(53.05% 0.266 278.1)
XYZ	xyz(23.6973, 12.6895, 95.7888)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573EFF #E6FF3E

analogous

#3E86FF #573EFF #B83EFF

triadic

#573EFF #FF573E #3EFF57

tetradic

#573EFF #FF3E86 #E6FF3E #3EFFB8

square

#573EFF #FF3E86 #E6FF3E #3EFFB8

split-complementary

#573EFF #FFB83E #86FF3E

monochromatic

#1900C3 #2201FF #573EFF #8C7BFF #C2B8FF

Accessibility & contrast

On white

5.94

#573EFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#573EFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #573EFF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573EFF	#FFFFFF	#000000	##FFFFFF
##573EFF	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BFF

Deuteranopia (green-blind)

#005CFC

Tritanopia (blue-blind)

#00779D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #573eff;
/* rgb */ color: rgb(87, 62, 255);
/* oklch */ color: oklch(53.0% 0.266 278.1);

Tailwind

colors: {
  custom: {
    50: '#9b78ff',
    500: '#573eff',
    950: '#000000',
  },
}

SCSS

$custom: #573eff;
$custom-light: #9b78ff;
$custom-dark: #000000;

JSON

{
  "hex": "#573eff",
  "rgb": {
    "r": 87,
    "g": 62,
    "b": 255
  },
  "hsl": {
    "h": 247.772,
    "s": 100,
    "l": 62.157
  },
  "oklch": {
    "l": 0.53046,
    "c": 0.26591,
    "h": 278.1
  },
  "luminance": 0.12691
}

Semantic roles & 50–950 ramp

primary

#573EFF

secondary

#E7F0A9

accent

#E600C8

background

#FAF7FF

surface

#F4EDFF

border

#CEC8D7

text

#100918

muted

#7F7B86

Preview Lab

Preview with #573EFF

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

Preview Lab → · Contrast checker → · Palette generator →