#5366E4#5366E4

#5366E4 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.6% C 0.191 H 272.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#5366E4
RGB	rgb(83, 102, 228)
HSL	hsl(232, 73%, 61%)
HSV	hsv(232, 64%, 89%)
CMYK	cmyk(63.6%, 55.3%, 0%, 10.6%)
CIE-LAB	lab(48.19, 31.80, -66.34)
CIE-LCH	lch(48.19, 73.57, 295.61°)
OKLab	oklab(56.56% 0.0078 -0.1907)
OKLCH	oklch(56.56% 0.191 272.3)
XYZ	xyz(22.3176, 16.9412, 75.4776)
Luminance	0.1694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366E4 #E4D153

analogous

#53AEE4 #5366E4 #8853E4

triadic

#5366E4 #E45366 #66E453

tetradic

#5366E4 #E453AE #E4D153 #53E488

square

#5366E4 #E453AE #E4D153 #53E488

split-complementary

#5366E4 #E48853 #AEE453

monochromatic

#1A2CA3 #223AD8 #5366E4 #8895EC #BDC4F5

Accessibility & contrast

On white

4.79

#5366E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#5366E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366E4

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366E4	#FFFFFF	#000000	##FFFFFF
##5366E4	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E8

Deuteranopia (green-blind)

#006CE1

Tritanopia (blue-blind)

#00849B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5366e4;
/* rgb */ color: rgb(83, 102, 228);
/* oklch */ color: oklch(56.6% 0.191 272.3);

Tailwind

colors: {
  custom: {
    50: '#9291ed',
    500: '#5366e4',
    950: '#000000',
  },
}

SCSS

$custom: #5366e4;
$custom-light: #9291ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5366e4",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 228
  },
  "hsl": {
    "h": 232.138,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.56564,
    "c": 0.19084,
    "h": 272.3
  },
  "luminance": 0.16943
}

Semantic roles & 50–950 ramp

primary

#5366E4

secondary

#E5DEAE

accent

#BB11D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5366E4

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

Preview Lab → · Contrast checker → · Palette generator →