#5366BA#5366BA

#5366BA is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.133 H 271.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5366BA
RGB	rgb(83, 102, 186)
HSL	hsl(229, 43%, 53%)
HSV	hsv(229, 55%, 73%)
CMYK	cmyk(55.4%, 45.2%, 0%, 27.1%)
CIE-LAB	lab(45.48, 17.71, -46.65)
CIE-LCH	lch(45.48, 49.90, 290.79°)
OKLab	oklab(53.65% 0.0039 -0.1328)
OKLCH	oklch(53.65% 0.133 271.7)
XYZ	xyz(17.1787, 14.8857, 48.4128)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366BA #BAA753

analogous

#539ABA #5366BA #7353BA

triadic

#5366BA #BA5366 #66BA53

tetradic

#5366BA #BA539A #BAA753 #53BA73

square

#5366BA #BA539A #BAA753 #53BA73

split-complementary

#5366BA #BA7353 #9ABA53

monochromatic

#2A3669 #3B4C94 #5366BA #7F8DCC #AAB4DD

Accessibility & contrast

On white

5.28

#5366BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#5366BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366BA

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366BA	#FFFFFF	#000000	##FFFFFF
##5366BA	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4170BD

Deuteranopia (green-blind)

#3467B8

Tritanopia (blue-blind)

#1A7887

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5366ba;
/* rgb */ color: rgb(83, 102, 186);
/* oklch */ color: oklch(53.7% 0.133 271.7);

Tailwind

colors: {
  custom: {
    50: '#8b91cf',
    500: '#5366ba',
    950: '#000000',
  },
}

SCSS

$custom: #5366ba;
$custom-light: #8b91cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5366ba",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 186
  },
  "hsl": {
    "h": 228.932,
    "s": 42.739,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53651,
    "c": 0.13286,
    "h": 271.7
  },
  "luminance": 0.14887
}

Semantic roles & 50–950 ramp

primary

#5366BA

secondary

#CBC29E

accent

#BB55D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #5366BA

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

Preview Lab → · Contrast checker → · Palette generator →