#5663BC#5663BC

#5663BC is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.139 H 274.5°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#5663BC
RGB	rgb(86, 99, 188)
HSL	hsl(232, 43%, 54%)
HSV	hsv(232, 54%, 74%)
CMYK	cmyk(54.3%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(44.99, 20.89, -48.59)
CIE-LCH	lch(44.99, 52.89, 293.27°)
OKLab	oklab(53.37% 0.0108 -0.1384)
OKLCH	oklch(53.37% 0.139 274.5)
XYZ	xyz(17.3738, 14.5318, 49.4566)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663BC #BCAF56

analogous

#5696BC #5663BC #7C56BC

triadic

#5663BC #BC5663 #63BC56

tetradic

#5663BC #BC5696 #BCAF56 #56BC7C

square

#5663BC #BC5696 #BCAF56 #56BC7C

split-complementary

#5663BC #BC7C56 #96BC56

monochromatic

#2B336D #3C4898 #5663BC #828BCD #AEB4DF

Accessibility & contrast

On white

5.38

#5663BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#5663BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663BC

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663BC	#FFFFFF	#000000	##FFFFFF
##5663BC	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6FBF

Deuteranopia (green-blind)

#2E66BA

Tritanopia (blue-blind)

#247786

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5663bc;
/* rgb */ color: rgb(86, 99, 188);
/* oklch */ color: oklch(53.4% 0.139 274.5);

Tailwind

colors: {
  custom: {
    50: '#8d8fd1',
    500: '#5663bc',
    950: '#000000',
  },
}

SCSS

$custom: #5663bc;
$custom-light: #8d8fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#5663bc",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 232.353,
    "s": 43.22,
    "l": 53.725
  },
  "oklch": {
    "l": 0.53366,
    "c": 0.13886,
    "h": 274.5
  },
  "luminance": 0.14533
}

Semantic roles & 50–950 ramp

primary

#5663BC

secondary

#CDC7A1

accent

#C355D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5663BC

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

Preview Lab → · Contrast checker → · Palette generator →