#5563BB#5563BB

#5563BB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.2% C 0.138 H 274.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#5563BB
RGB	rgb(85, 99, 187)
HSL	hsl(232, 43%, 53%)
HSV	hsv(232, 55%, 73%)
CMYK	cmyk(54.5%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(44.86, 20.35, -48.22)
CIE-LCH	lch(44.86, 52.33, 292.88°)
OKLab	oklab(53.23% 0.0096 -0.1374)
OKLCH	oklch(53.23% 0.138 274)
XYZ	xyz(17.1749, 14.4417, 48.8866)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5563BB #BBAD55

analogous

#5596BB #5563BB #7A55BB

triadic

#5563BB #BB5563 #63BB55

tetradic

#5563BB #BB5596 #BBAD55 #55BB7A

square

#5563BB #BB5596 #BBAD55 #55BB7A

split-complementary

#5563BB #BB7A55 #96BB55

monochromatic

#2B346B #3C4997 #5563BB #818BCC #ACB3DE

Accessibility & contrast

On white

5.40

#5563BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#5563BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5563BB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5563BB	#FFFFFF	#000000	##FFFFFF
##5563BB	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6FBE

Deuteranopia (green-blind)

#2E66B9

Tritanopia (blue-blind)

#227686

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5563bb;
/* rgb */ color: rgb(85, 99, 187);
/* oklch */ color: oklch(53.2% 0.138 274.0);

Tailwind

colors: {
  custom: {
    50: '#8c8fd0',
    500: '#5563bb',
    950: '#000000',
  },
}

SCSS

$custom: #5563bb;
$custom-light: #8c8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5563bb",
  "rgb": {
    "r": 85,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 231.765,
    "s": 42.857,
    "l": 53.333
  },
  "oklch": {
    "l": 0.53234,
    "c": 0.13769,
    "h": 274
  },
  "luminance": 0.14443
}

Semantic roles & 50–950 ramp

primary

#5563BB

secondary

#CCC6A0

accent

#C155D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5563BB

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

Preview Lab → · Contrast checker → · Palette generator →