#5663BF#5663BF

#5663BF is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.6% C 0.143 H 274.5°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#5663BF
RGB	rgb(86, 99, 191)
HSL	hsl(233, 45%, 54%)
HSV	hsv(233, 55%, 75%)
CMYK	cmyk(55%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(45.17, 21.87, -50.04)
CIE-LCH	lch(45.17, 54.61, 293.61°)
OKLab	oklab(53.56% 0.0112 -0.1427)
OKLCH	oklch(53.56% 0.143 274.5)
XYZ	xyz(17.7005, 14.6625, 51.1775)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663BF #BFB256

analogous

#5698BF #5663BF #7E56BF

triadic

#5663BF #BF5663 #63BF56

tetradic

#5663BF #BF5698 #BFB256 #56BF7E

square

#5663BF #BF5698 #BFB256 #56BF7E

split-complementary

#5663BF #BF7E56 #98BF56

monochromatic

#2A3370 #3B479D #5663BF #828CD0 #AFB5E1

Accessibility & contrast

On white

5.34

#5663BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#5663BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663BF

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663BF	#FFFFFF	#000000	##FFFFFF
##5663BF	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376FC2

Deuteranopia (green-blind)

#2A67BD

Tritanopia (blue-blind)

#207788

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5663bf;
/* rgb */ color: rgb(86, 99, 191);
/* oklch */ color: oklch(53.6% 0.143 274.5);

Tailwind

colors: {
  custom: {
    50: '#8d8fd3',
    500: '#5663bf',
    950: '#000000',
  },
}

SCSS

$custom: #5663bf;
$custom-light: #8d8fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#5663bf",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 232.571,
    "s": 45.064,
    "l": 54.314
  },
  "oklch": {
    "l": 0.53564,
    "c": 0.14314,
    "h": 274.5
  },
  "luminance": 0.14664
}

Semantic roles & 50–950 ramp

primary

#5663BF

secondary

#CFC9A2

accent

#C553D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #5663BF

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

Preview Lab → · Contrast checker → · Palette generator →