#5663BB#5663BB

#5663BB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.137 H 274.5°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#5663BB
RGB	rgb(86, 99, 187)
HSL	hsl(232, 43%, 54%)
HSV	hsv(232, 54%, 73%)
CMYK	cmyk(54%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(44.93, 20.57, -48.11)
CIE-LCH	lch(44.93, 52.32, 293.15°)
OKLab	oklab(53.3% 0.0107 -0.137)
OKLCH	oklch(53.3% 0.137 274.5)
XYZ	xyz(17.2664, 14.4888, 48.8908)
Luminance	0.1449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663BB #BBAE56

analogous

#5695BB #5663BB #7B56BB

triadic

#5663BB #BB5663 #63BB56

tetradic

#5663BB #BB5695 #BBAE56 #56BB7B

square

#5663BB #BB5695 #BBAE56 #56BB7B

split-complementary

#5663BB #BB7B56 #95BB56

monochromatic

#2B336B #3D4897 #5663BB #828BCD #ADB4DE

Accessibility & contrast

On white

5.39

#5663BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#5663BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663BB

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663BB	#FFFFFF	#000000	##FFFFFF
##5663BB	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6FBE

Deuteranopia (green-blind)

#2F66B9

Tritanopia (blue-blind)

#257686

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5663bb;
/* rgb */ color: rgb(86, 99, 187);
/* oklch */ color: oklch(53.3% 0.137 274.5);

Tailwind

colors: {
  custom: {
    50: '#8d8fd0',
    500: '#5663bb',
    950: '#000000',
  },
}

SCSS

$custom: #5663bb;
$custom-light: #8d8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5663bb",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 232.277,
    "s": 42.616,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53301,
    "c": 0.13744,
    "h": 274.5
  },
  "luminance": 0.1449
}

Semantic roles & 50–950 ramp

primary

#5663BB

secondary

#CCC6A1

accent

#C255D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5663BB

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

Preview Lab → · Contrast checker → · Palette generator →