#5366C4#5366C4

#5366C4 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.3% C 0.147 H 272.1°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5366C4
RGB	rgb(83, 102, 196)
HSL	hsl(230, 49%, 55%)
HSV	hsv(230, 58%, 77%)
CMYK	cmyk(57.7%, 48%, 0%, 23.1%)
CIE-LAB	lab(46.08, 21.03, -51.48)
CIE-LCH	lch(46.08, 55.61, 292.22°)
OKLab	oklab(54.3% 0.0053 -0.147)
OKLCH	oklch(54.3% 0.147 272.1)
XYZ	xyz(18.2792, 15.3259, 54.2088)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366C4 #C4B153

analogous

#539EC4 #5366C4 #7953C4

triadic

#5366C4 #C45366 #66C453

tetradic

#5366C4 #C4539E #C4B153 #53C479

square

#5366C4 #C4539E #C4B153 #53C479

split-complementary

#5366C4 #C47953 #9EC453

monochromatic

#283575 #384AA2 #5366C4 #818FD4 #AEB7E3

Accessibility & contrast

On white

5.17

#5366C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#5366C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366C4

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366C4	#FFFFFF	#000000	##FFFFFF
##5366C4	1.00	5.17	4.07	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3872C7

Deuteranopia (green-blind)

#2768C2

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5366c4;
/* rgb */ color: rgb(83, 102, 196);
/* oklch */ color: oklch(54.3% 0.147 272.1);

Tailwind

colors: {
  custom: {
    50: '#8c91d6',
    500: '#5366c4',
    950: '#000000',
  },
}

SCSS

$custom: #5366c4;
$custom-light: #8c91d6;
$custom-dark: #000000;

JSON

{
  "hex": "#5366c4",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 196
  },
  "hsl": {
    "h": 229.912,
    "s": 48.918,
    "l": 54.706
  },
  "oklch": {
    "l": 0.54302,
    "c": 0.14707,
    "h": 272.1
  },
  "luminance": 0.15327
}

Semantic roles & 50–950 ramp

primary

#5366C4

secondary

#D1C9A2

accent

#C14FD8

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #5366C4

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

Preview Lab → · Contrast checker → · Palette generator →