#5363BB#5363BB

#5363BB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.138 H 273.1°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#5363BB
RGB	rgb(83, 99, 187)
HSL	hsl(231, 43%, 53%)
HSV	hsv(231, 56%, 73%)
CMYK	cmyk(55.6%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(44.73, 19.92, -48.43)
CIE-LCH	lch(44.73, 52.37, 292.36°)
OKLab	oklab(53.1% 0.0074 -0.138)
OKLCH	oklch(53.1% 0.138 273.1)
XYZ	xyz(16.9958, 14.3493, 48.8782)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5363BB #BBAB53

analogous

#5397BB #5363BB #7753BB

triadic

#5363BB #BB5363 #63BB53

tetradic

#5363BB #BB5397 #BBAB53 #53BB77

square

#5363BB #BB5397 #BBAB53 #53BB77

split-complementary

#5363BB #BB7753 #97BB53

monochromatic

#2A346A #3B4996 #5363BB #7F8BCC #ABB3DE

Accessibility & contrast

On white

5.43

#5363BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#5363BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5363BB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5363BB	#FFFFFF	#000000	##FFFFFF
##5363BB	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBE

Deuteranopia (green-blind)

#2D66B9

Tritanopia (blue-blind)

#1A7686

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5363bb;
/* rgb */ color: rgb(83, 99, 187);
/* oklch */ color: oklch(53.1% 0.138 273.1);

Tailwind

colors: {
  custom: {
    50: '#8b8fd0',
    500: '#5363bb',
    950: '#000000',
  },
}

SCSS

$custom: #5363bb;
$custom-light: #8b8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5363bb",
  "rgb": {
    "r": 83,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 230.769,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53101,
    "c": 0.13824,
    "h": 273.1
  },
  "luminance": 0.14351
}

Semantic roles & 50–950 ramp

primary

#5363BB

secondary

#CBC49E

accent

#C055D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0C14

muted

#7D7D82

Preview Lab

Preview with #5363BB

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

Preview Lab → · Contrast checker → · Palette generator →