#5366D1#5366D1

#5366D1 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.165 H 272.3°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#5366D1
RGB	rgb(83, 102, 209)
HSL	hsl(231, 58%, 57%)
HSV	hsv(231, 60%, 82%)
CMYK	cmyk(60.3%, 51.2%, 0%, 18%)
CIE-LAB	lab(46.90, 25.40, -57.63)
CIE-LCH	lch(46.90, 62.97, 293.78°)
OKLab	oklab(55.19% 0.0066 -0.165)
OKLCH	oklch(55.19% 0.165 272.3)
XYZ	xyz(19.8235, 15.9436, 62.3420)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366D1 #D1BE53

analogous

#53A5D1 #5366D1 #7F53D1

triadic

#5366D1 #D15366 #66D153

tetradic

#5366D1 #D153A5 #D1BE53 #53D17F

square

#5366D1 #D153A5 #D1BE53 #53D17F

split-complementary

#5366D1 #D17F53 #A5D153

monochromatic

#243386 #3145B6 #5366D1 #8391DE #B4BCEB

Accessibility & contrast

On white

5.01

#5366D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#5366D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366D1

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366D1	#FFFFFF	#000000	##FFFFFF
##5366D1	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2975D5

Deuteranopia (green-blind)

#036ACF

Tritanopia (blue-blind)

#007F92

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5366d1;
/* rgb */ color: rgb(83, 102, 209);
/* oklch */ color: oklch(55.2% 0.165 272.3);

Tailwind

colors: {
  custom: {
    50: '#8e91e0',
    500: '#5366d1',
    950: '#000000',
  },
}

SCSS

$custom: #5366d1;
$custom-light: #8e91e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5366d1",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 209
  },
  "hsl": {
    "h": 230.952,
    "s": 57.798,
    "l": 57.255
  },
  "oklch": {
    "l": 0.55189,
    "c": 0.16518,
    "h": 272.3
  },
  "luminance": 0.15945
}

Semantic roles & 50–950 ramp

primary

#5366D1

secondary

#D9D2A6

accent

#CA47E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5366D1

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

Preview Lab → · Contrast checker → · Palette generator →