#5366D9#5366D9

#5366D9 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.8% C 0.176 H 272.3°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5366D9
RGB	rgb(83, 102, 217)
HSL	hsl(231, 64%, 59%)
HSV	hsv(231, 62%, 85%)
CMYK	cmyk(61.8%, 53%, 0%, 14.9%)
CIE-LAB	lab(47.43, 28.09, -61.33)
CIE-LCH	lch(47.43, 67.46, 294.61°)
OKLab	oklab(55.76% 0.0072 -0.1759)
OKLCH	oklch(55.76% 0.176 272.3)
XYZ	xyz(20.8389, 16.3498, 67.6898)
Luminance	0.1635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366D9 #D9C653

analogous

#53A9D9 #5366D9 #8353D9

triadic

#5366D9 #D95366 #66D953

tetradic

#5366D9 #D953A9 #D9C653 #53D983

square

#5366D9 #D953A9 #D9C653 #53D983

split-complementary

#5366D9 #D98353 #A9D953

monochromatic

#203091 #2B41C4 #5366D9 #8593E4 #B7BFEF

Accessibility & contrast

On white

4.92

#5366D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#5366D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366D9

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366D9	#FFFFFF	#000000	##FFFFFF
##5366D9	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B77DD

Deuteranopia (green-blind)

#006BD7

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5366d9;
/* rgb */ color: rgb(83, 102, 217);
/* oklch */ color: oklch(55.8% 0.176 272.3);

Tailwind

colors: {
  custom: {
    50: '#9091e5',
    500: '#5366d9',
    950: '#000000',
  },
}

SCSS

$custom: #5366d9;
$custom-light: #9091e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5366d9",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 217
  },
  "hsl": {
    "h": 231.493,
    "s": 63.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.55757,
    "c": 0.1761,
    "h": 272.3
  },
  "luminance": 0.16351
}

Semantic roles & 50–950 ramp

primary

#5366D9

secondary

#DED7AA

accent

#CF41E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5366D9

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

Preview Lab → · Contrast checker → · Palette generator →