#5366DB#5366DB

#5366DB is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.9% C 0.179 H 272.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#5366DB
RGB	rgb(83, 102, 219)
HSL	hsl(232, 65%, 59%)
HSV	hsv(232, 62%, 86%)
CMYK	cmyk(62.1%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(47.57, 28.77, -62.25)
CIE-LCH	lch(47.57, 68.57, 294.80°)
OKLab	oklab(55.9% 0.0074 -0.1786)
OKLCH	oklch(55.9% 0.179 272.4)
XYZ	xyz(21.1006, 16.4544, 69.0682)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366DB #DBC853

analogous

#53AADB #5366DB #8453DB

triadic

#5366DB #DB5366 #66DB53

tetradic

#5366DB #DB53AA #DBC853 #53DB84

square

#5366DB #DB53AA #DBC853 #53DB84

split-complementary

#5366DB #DB8453 #AADB53

monochromatic

#1F2F95 #2A40C7 #5366DB #8693E6 #B8C0F0

Accessibility & contrast

On white

4.89

#5366DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#5366DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366DB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366DB	#FFFFFF	#000000	##FFFFFF
##5366DB	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1677DF

Deuteranopia (green-blind)

#006BD9

Tritanopia (blue-blind)

#008297

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5366db;
/* rgb */ color: rgb(83, 102, 219);
/* oklch */ color: oklch(55.9% 0.179 272.4);

Tailwind

colors: {
  custom: {
    50: '#9091e7',
    500: '#5366db',
    950: '#000000',
  },
}

SCSS

$custom: #5366db;
$custom-light: #9091e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5366db",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 231.618,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.55902,
    "c": 0.1788,
    "h": 272.4
  },
  "luminance": 0.16456
}

Semantic roles & 50–950 ramp

primary

#5366DB

secondary

#DFD8AA

accent

#D13FE8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5366DB

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

Preview Lab → · Contrast checker → · Palette generator →