#5366BF#5366BF

#5366BF is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.0% C 0.140 H 271.9°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#5366BF
RGB	rgb(83, 102, 191)
HSL	hsl(229, 46%, 54%)
HSV	hsv(229, 57%, 75%)
CMYK	cmyk(56.5%, 46.6%, 0%, 25.1%)
CIE-LAB	lab(45.77, 19.37, -49.08)
CIE-LCH	lch(45.77, 52.76, 291.53°)
OKLab	oklab(53.97% 0.0046 -0.1399)
OKLCH	oklch(53.97% 0.14 271.9)
XYZ	xyz(17.7195, 15.1020, 51.2613)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366BF #BFAC53

analogous

#539CBF #5366BF #7653BF

triadic

#5366BF #BF5366 #66BF53

tetradic

#5366BF #BF539C #BFAC53 #53BF76

square

#5366BF #BF539C #BFAC53 #53BF76

split-complementary

#5366BF #BF7653 #9CBF53

monochromatic

#29356E #3A4B9B #5366BF #808ED0 #ACB5E0

Accessibility & contrast

On white

5.22

#5366BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#5366BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366BF

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366BF	#FFFFFF	#000000	##FFFFFF
##5366BF	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D71C2

Deuteranopia (green-blind)

#2E68BD

Tritanopia (blue-blind)

#107A89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5366bf;
/* rgb */ color: rgb(83, 102, 191);
/* oklch */ color: oklch(54.0% 0.140 271.9);

Tailwind

colors: {
  custom: {
    50: '#8c91d3',
    500: '#5366bf',
    950: '#000000',
  },
}

SCSS

$custom: #5366bf;
$custom-light: #8c91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5366bf",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 229.444,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.53973,
    "c": 0.14,
    "h": 271.9
  },
  "luminance": 0.15103
}

Semantic roles & 50–950 ramp

primary

#5366BF

secondary

#CEC6A0

accent

#BE52D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #5366BF

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

Preview Lab → · Contrast checker → · Palette generator →