#5663D8#5663D8

#5663D8 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.3% C 0.178 H 274.3°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5663D8
RGB	rgb(86, 99, 216)
HSL	hsl(234, 63%, 59%)
HSV	hsv(234, 60%, 85%)
CMYK	cmyk(60.2%, 54.2%, 0%, 15.3%)
CIE-LAB	lab(46.79, 30.14, -61.79)
CIE-LCH	lch(46.79, 68.75, 296.00°)
OKLab	oklab(55.3% 0.0132 -0.1773)
OKLCH	oklch(55.3% 0.178 274.3)
XYZ	xyz(20.6902, 15.8583, 66.9231)
Luminance	0.1586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663D8 #D8CB56

analogous

#56A4D8 #5663D8 #8A56D8

triadic

#5663D8 #D85663 #63D856

tetradic

#5663D8 #D856A4 #D8CB56 #56D88A

square

#5663D8 #D856A4 #D8CB56 #56D88A

split-complementary

#5663D8 #D88A56 #A4D856

monochromatic

#222D92 #2D3CC4 #5663D8 #8891E3 #B9BFEF

Accessibility & contrast

On white

5.03

#5663D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#5663D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663D8

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663D8	#FFFFFF	#000000	##FFFFFF
##5663D8	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F75DC

Deuteranopia (green-blind)

#0069D6

Tritanopia (blue-blind)

#007E94

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5663d8;
/* rgb */ color: rgb(86, 99, 216);
/* oklch */ color: oklch(55.3% 0.178 274.3);

Tailwind

colors: {
  custom: {
    50: '#918fe5',
    500: '#5663d8',
    950: '#000000',
  },
}

SCSS

$custom: #5663d8;
$custom-light: #918fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#5663d8",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 216
  },
  "hsl": {
    "h": 234,
    "s": 62.5,
    "l": 59.216
  },
  "oklch": {
    "l": 0.55302,
    "c": 0.17776,
    "h": 274.3
  },
  "luminance": 0.1586
}

Semantic roles & 50–950 ramp

primary

#5663D8

secondary

#DED9AB

accent

#D542E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5663D8

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

Preview Lab → · Contrast checker → · Palette generator →