#5366BE#5366BE

#5366BE is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.139 H 271.9°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#5366BE
RGB	rgb(83, 102, 190)
HSL	hsl(229, 45%, 54%)
HSV	hsv(229, 56%, 75%)
CMYK	cmyk(56.3%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(45.71, 19.03, -48.60)
CIE-LCH	lch(45.71, 52.19, 291.39°)
OKLab	oklab(53.91% 0.0045 -0.1385)
OKLCH	oklch(53.91% 0.139 271.9)
XYZ	xyz(17.6099, 15.0582, 50.6838)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366BE #BEAB53

analogous

#539BBE #5366BE #7553BE

triadic

#5366BE #BE5366 #66BE53

tetradic

#5366BE #BE539B #BEAB53 #53BE75

square

#5366BE #BE539B #BEAB53 #53BE75

split-complementary

#5366BE #BE7553 #9BBE53

monochromatic

#29356D #3A4B9A #5366BE #7F8ECF #ACB5E0

Accessibility & contrast

On white

5.23

#5366BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#5366BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366BE

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366BE	#FFFFFF	#000000	##FFFFFF
##5366BE	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E71C1

Deuteranopia (green-blind)

#2F68BC

Tritanopia (blue-blind)

#137989

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5366be;
/* rgb */ color: rgb(83, 102, 190);
/* oklch */ color: oklch(53.9% 0.139 271.9);

Tailwind

colors: {
  custom: {
    50: '#8c91d2',
    500: '#5366be',
    950: '#000000',
  },
}

SCSS

$custom: #5366be;
$custom-light: #8c91d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5366be",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 229.346,
    "s": 45.148,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53908,
    "c": 0.13857,
    "h": 271.9
  },
  "luminance": 0.15059
}

Semantic roles & 50–950 ramp

primary

#5366BE

secondary

#CDC59F

accent

#BE53D5

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5366BE

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

Preview Lab → · Contrast checker → · Palette generator →