#5366C8#5366C8

#5366C8 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.6% C 0.153 H 272.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#5366C8
RGB	rgb(83, 102, 200)
HSL	hsl(230, 52%, 55%)
HSV	hsv(230, 59%, 78%)
CMYK	cmyk(58.5%, 49%, 0%, 21.6%)
CIE-LAB	lab(46.33, 22.37, -53.39)
CIE-LCH	lch(46.33, 57.89, 292.74°)
OKLab	oklab(54.57% 0.0058 -0.1526)
OKLCH	oklch(54.57% 0.153 272.2)
XYZ	xyz(18.7405, 15.5104, 56.6386)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366C8 #C8B553

analogous

#53A1C8 #5366C8 #7A53C8

triadic

#5366C8 #C85366 #66C853

tetradic

#5366C8 #C853A1 #C8B553 #53C87A

square

#5366C8 #C853A1 #C8B553 #53C87A

split-complementary

#5366C8 #C87A53 #A1C853

monochromatic

#27347A #3648A8 #5366C8 #818FD7 #B0B8E6

Accessibility & contrast

On white

5.12

#5366C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#5366C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366C8

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366C8	#FFFFFF	#000000	##FFFFFF
##5366C8	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3473CC

Deuteranopia (green-blind)

#2069C6

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5366c8;
/* rgb */ color: rgb(83, 102, 200);
/* oklch */ color: oklch(54.6% 0.153 272.2);

Tailwind

colors: {
  custom: {
    50: '#8d91d9',
    500: '#5366c8',
    950: '#000000',
  },
}

SCSS

$custom: #5366c8;
$custom-light: #8d91d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5366c8",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 200
  },
  "hsl": {
    "h": 230.256,
    "s": 51.542,
    "l": 55.49
  },
  "oklch": {
    "l": 0.5457,
    "c": 0.1527,
    "h": 272.2
  },
  "luminance": 0.15512
}

Semantic roles & 50–950 ramp

primary

#5366C8

secondary

#D4CCA3

accent

#C44DDB

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5366C8

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

Preview Lab → · Contrast checker → · Palette generator →