#5366CF#5366CF

#5366CF is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.162 H 272.3°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#5366CF
RGB	rgb(83, 102, 207)
HSL	hsl(231, 56%, 57%)
HSV	hsv(231, 60%, 81%)
CMYK	cmyk(59.9%, 50.7%, 0%, 18.8%)
CIE-LAB	lab(46.77, 24.72, -56.69)
CIE-LCH	lch(46.77, 61.85, 293.56°)
OKLab	oklab(55.05% 0.0065 -0.1623)
OKLCH	oklch(55.05% 0.162 272.3)
XYZ	xyz(19.5774, 15.8452, 61.0461)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366CF #CFBC53

analogous

#53A4CF #5366CF #7E53CF

triadic

#5366CF #CF5366 #66CF53

tetradic

#5366CF #CF53A4 #CFBC53 #53CF7E

square

#5366CF #CF53A4 #CFBC53 #53CF7E

split-complementary

#5366CF #CF7E53 #A4CF53

monochromatic

#253383 #3246B3 #5366CF #8391DC #B3BBEA

Accessibility & contrast

On white

5.04

#5366CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#5366CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366CF

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366CF	#FFFFFF	#000000	##FFFFFF
##5366CF	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C75D3

Deuteranopia (green-blind)

#0D6ACD

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5366cf;
/* rgb */ color: rgb(83, 102, 207);
/* oklch */ color: oklch(55.0% 0.162 272.3);

Tailwind

colors: {
  custom: {
    50: '#8e91de',
    500: '#5366cf',
    950: '#000000',
  },
}

SCSS

$custom: #5366cf;
$custom-light: #8e91de;
$custom-dark: #000000;

JSON

{
  "hex": "#5366cf",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 207
  },
  "hsl": {
    "h": 230.806,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.5505,
    "c": 0.16243,
    "h": 272.3
  },
  "luminance": 0.15847
}

Semantic roles & 50–950 ramp

primary

#5366CF

secondary

#D8D0A6

accent

#C848E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5366CF

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

Preview Lab → · Contrast checker → · Palette generator →