#5366CC#5366CC

#5366CC is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.8% C 0.158 H 272.2°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#5366CC
RGB	rgb(83, 102, 204)
HSL	hsl(231, 54%, 56%)
HSV	hsv(231, 59%, 80%)
CMYK	cmyk(59.3%, 50%, 0%, 20%)
CIE-LAB	lab(46.58, 23.71, -55.28)
CIE-LCH	lch(46.58, 60.15, 293.22°)
OKLab	oklab(54.84% 0.0062 -0.1582)
OKLCH	oklch(54.84% 0.158 272.2)
XYZ	xyz(19.2141, 15.6999, 59.1329)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366CC #CCB953

analogous

#53A3CC #5366CC #7D53CC

triadic

#5366CC #CC5366 #66CC53

tetradic

#5366CC #CC53A3 #CCB953 #53CC7D

square

#5366CC #CC53A3 #CCB953 #53CC7D

split-complementary

#5366CC #CC7D53 #A3CC53

monochromatic

#26347F #3447AE #5366CC #8290DA #B1BAE8

Accessibility & contrast

On white

5.07

#5366CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#5366CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366CC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366CC	#FFFFFF	#000000	##FFFFFF
##5366CC	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3074D0

Deuteranopia (green-blind)

#1769CA

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5366cc;
/* rgb */ color: rgb(83, 102, 204);
/* oklch */ color: oklch(54.8% 0.158 272.2);

Tailwind

colors: {
  custom: {
    50: '#8e91dc',
    500: '#5366cc',
    950: '#000000',
  },
}

SCSS

$custom: #5366cc;
$custom-light: #8e91dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5366cc",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 230.579,
    "s": 54.26,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54843,
    "c": 0.15827,
    "h": 272.2
  },
  "luminance": 0.15701
}

Semantic roles & 50–950 ramp

primary

#5366CC

secondary

#D6CEA4

accent

#C64ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5366CC

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

Preview Lab → · Contrast checker → · Palette generator →