#5366C3#5366C3

#5366C3 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.2% C 0.146 H 272.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#5366C3
RGB	rgb(83, 102, 195)
HSL	hsl(230, 48%, 55%)
HSV	hsv(230, 57%, 76%)
CMYK	cmyk(57.4%, 47.7%, 0%, 23.5%)
CIE-LAB	lab(46.02, 20.70, -51.00)
CIE-LCH	lch(46.02, 55.05, 292.09°)
OKLab	oklab(54.24% 0.0052 -0.1456)
OKLCH	oklch(54.24% 0.146 272)
XYZ	xyz(18.1657, 15.2805, 53.6113)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366C3 #C3B053

analogous

#539EC3 #5366C3 #7853C3

triadic

#5366C3 #C35366 #66C353

tetradic

#5366C3 #C3539E #C3B053 #53C378

square

#5366C3 #C3539E #C3B053 #53C378

split-complementary

#5366C3 #C37853 #9EC353

monochromatic

#283573 #384AA1 #5366C3 #808ED3 #AEB7E3

Accessibility & contrast

On white

5.18

#5366C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#5366C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366C3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366C3	#FFFFFF	#000000	##FFFFFF
##5366C3	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3972C6

Deuteranopia (green-blind)

#2968C1

Tritanopia (blue-blind)

#037B8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5366c3;
/* rgb */ color: rgb(83, 102, 195);
/* oklch */ color: oklch(54.2% 0.146 272.0);

Tailwind

colors: {
  custom: {
    50: '#8c91d6',
    500: '#5366c3',
    950: '#000000',
  },
}

SCSS

$custom: #5366c3;
$custom-light: #8c91d6;
$custom-dark: #000000;

JSON

{
  "hex": "#5366c3",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 195
  },
  "hsl": {
    "h": 229.821,
    "s": 48.276,
    "l": 54.51
  },
  "oklch": {
    "l": 0.54236,
    "c": 0.14567,
    "h": 272
  },
  "luminance": 0.15282
}

Semantic roles & 50–950 ramp

primary

#5366C3

secondary

#D1C9A1

accent

#C150D8

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #5366C3

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

Preview Lab → · Contrast checker → · Palette generator →