#5366AB#5366AB

#5366AB is a mid, moderate blue. Relative luminance 0.143; OKLCH L 52.7% C 0.111 H 270.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5366AB
RGB	rgb(83, 102, 171)
HSL	hsl(227, 35%, 50%)
HSV	hsv(227, 51%, 67%)
CMYK	cmyk(51.5%, 40.4%, 0%, 32.9%)
CIE-LAB	lab(44.63, 12.80, -39.24)
CIE-LCH	lch(44.63, 41.27, 288.07°)
OKLab	oklab(52.73% 0.0012 -0.1111)
OKLCH	oklch(52.73% 0.111 270.6)
XYZ	xyz(15.6670, 14.2810, 40.4511)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5366AB #AB9853

analogous

#5392AB #5366AB #6C53AB

triadic

#5366AB #AB5366 #66AB53

tetradic

#5366AB #AB5392 #AB9853 #53AB6C

square

#5366AB #AB5392 #AB9853 #53AB6C

split-complementary

#5366AB #AB6C53 #92AB53

monochromatic

#2B3559 #3F4D82 #5366AB #7C8ABF #A5AFD3

Accessibility & contrast

On white

5.45

#5366AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#5366AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5366AB

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5366AB	#FFFFFF	#000000	##FFFFFF
##5366AB	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6EAE

Deuteranopia (green-blind)

#4166A9

Tritanopia (blue-blind)

#2C7580

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5366ab;
/* rgb */ color: rgb(83, 102, 171);
/* oklch */ color: oklch(52.7% 0.111 270.6);

Tailwind

colors: {
  custom: {
    50: '#8991c4',
    500: '#5366ab',
    950: '#000000',
  },
}

SCSS

$custom: #5366ab;
$custom-light: #8991c4;
$custom-dark: #000000;

JSON

{
  "hex": "#5366ab",
  "rgb": {
    "r": 83,
    "g": 102,
    "b": 171
  },
  "hsl": {
    "h": 227.045,
    "s": 34.646,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52731,
    "c": 0.11107,
    "h": 270.6
  },
  "luminance": 0.14282
}

Semantic roles & 50–950 ramp

primary

#5366AB

secondary

#C1B899

accent

#B35DCB

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #5366AB

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

Preview Lab → · Contrast checker → · Palette generator →