#5366B7#5366B7

#5366B7 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.129 H 271.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#5366B7
RGB	rgb(83, 102, 183)
HSL	hsl(229, 41%, 52%)
HSV	hsv(229, 55%, 72%)
CMYK	cmyk(54.6%, 44.3%, 0%, 28.2%)
CIE-LAB	lab(45.30, 16.72, -45.19)
CIE-LCH	lch(45.30, 48.18, 290.30°)
OKLab	oklab(53.46% 0.0034 -0.1285)
OKLCH	oklch(53.46% 0.129 271.5)
XYZ	xyz(16.8631, 14.7595, 46.7508)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366B7 #B7A453

analogous

#5398B7 #5366B7 #7253B7

triadic

#5366B7 #B75366 #66B753

tetradic

#5366B7 #B75398 #B7A453 #53B772

square

#5366B7 #B75398 #B7A453 #53B772

split-complementary

#5366B7 #B77253 #98B753

monochromatic

#2A3665 #3C4C90 #5366B7 #7E8CC9 #A9B3DB

Accessibility & contrast

On white

5.31

#5366B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#5366B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366B7

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366B7	#FFFFFF	#000000	##FFFFFF
##5366B7	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4370BA

Deuteranopia (green-blind)

#3767B5

Tritanopia (blue-blind)

#1F7885

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5366b7;
/* rgb */ color: rgb(83, 102, 183);
/* oklch */ color: oklch(53.5% 0.129 271.5);

Tailwind

colors: {
  custom: {
    50: '#8a91cd',
    500: '#5366b7',
    950: '#000000',
  },
}

SCSS

$custom: #5366b7;
$custom-light: #8a91cd;
$custom-dark: #000000;

JSON

{
  "hex": "#5366b7",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 183
  },
  "hsl": {
    "h": 228.6,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.53462,
    "c": 0.12853,
    "h": 271.5
  },
  "luminance": 0.14761
}

Semantic roles & 50–950 ramp

primary

#5366B7

secondary

#C9C09D

accent

#BA57D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #5366B7

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

Preview Lab → · Contrast checker → · Palette generator →