#5663CF#5663CF

#5663CF is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.7% C 0.166 H 274.4°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#5663CF
RGB	rgb(86, 99, 207)
HSL	hsl(234, 56%, 57%)
HSV	hsv(234, 58%, 81%)
CMYK	cmyk(58.5%, 52.2%, 0%, 18.8%)
CIE-LAB	lab(46.18, 27.15, -57.63)
CIE-LCH	lch(46.18, 63.70, 295.23°)
OKLab	oklab(54.66% 0.0127 -0.165)
OKLCH	oklch(54.66% 0.166 274.4)
XYZ	xyz(19.5584, 15.4056, 60.9623)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663CF #CFC256

analogous

#569FCF #5663CF #8656CF

triadic

#5663CF #CF5663 #63CF56

tetradic

#5663CF #CF569F #CFC256 #56CF86

square

#5663CF #CF569F #CFC256 #56CF86

split-complementary

#5663CF #CF8656 #9FCF56

monochromatic

#263085 #3341B5 #5663CF #868FDD #B5BBEA

Accessibility & contrast

On white

5.15

#5663CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#5663CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663CF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663CF	#FFFFFF	#000000	##FFFFFF
##5663CF	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2473D3

Deuteranopia (green-blind)

#0068CD

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5663cf;
/* rgb */ color: rgb(86, 99, 207);
/* oklch */ color: oklch(54.7% 0.166 274.4);

Tailwind

colors: {
  custom: {
    50: '#908fde',
    500: '#5663cf',
    950: '#000000',
  },
}

SCSS

$custom: #5663cf;
$custom-light: #908fde;
$custom-dark: #000000;

JSON

{
  "hex": "#5663cf",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 207
  },
  "hsl": {
    "h": 233.554,
    "s": 55.76,
    "l": 57.451
  },
  "oklch": {
    "l": 0.54657,
    "c": 0.1655,
    "h": 274.4
  },
  "luminance": 0.15407
}

Semantic roles & 50–950 ramp

primary

#5663CF

secondary

#D9D4A8

accent

#CF49DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5663CF

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

Preview Lab → · Contrast checker → · Palette generator →