#5366CE#5366CE

#5366CE is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.161 H 272.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#5366CE
RGB	rgb(83, 102, 206)
HSL	hsl(231, 56%, 57%)
HSV	hsv(231, 60%, 81%)
CMYK	cmyk(59.7%, 50.5%, 0%, 19.2%)
CIE-LAB	lab(46.71, 24.39, -56.22)
CIE-LCH	lch(46.71, 61.28, 293.45°)
OKLab	oklab(54.98% 0.0064 -0.1609)
OKLCH	oklch(54.98% 0.161 272.3)
XYZ	xyz(19.4555, 15.7964, 60.4043)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366CE #CEBB53

analogous

#53A4CE #5366CE #7E53CE

triadic

#5366CE #CE5366 #66CE53

tetradic

#5366CE #CE53A4 #CEBB53 #53CE7E

square

#5366CE #CE53A4 #CEBB53 #53CE7E

split-complementary

#5366CE #CE7E53 #A4CE53

monochromatic

#253382 #3346B1 #5366CE #8390DC #B2BBE9

Accessibility & contrast

On white

5.05

#5366CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#5366CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366CE

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366CE	#FFFFFF	#000000	##FFFFFF
##5366CE	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D74D2

Deuteranopia (green-blind)

#116ACC

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5366ce;
/* rgb */ color: rgb(83, 102, 206);
/* oklch */ color: oklch(55.0% 0.161 272.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5366ce",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 206
  },
  "hsl": {
    "h": 230.732,
    "s": 55.656,
    "l": 56.667
  },
  "oklch": {
    "l": 0.5498,
    "c": 0.16105,
    "h": 272.3
  },
  "luminance": 0.15798
}

Semantic roles & 50–950 ramp

primary

#5366CE

secondary

#D8D0A5

accent

#C849DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5366CE

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

Preview Lab → · Contrast checker → · Palette generator →