#5663E4#5663E4

#5663E4 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.2% C 0.194 H 274.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#5663E4
RGB	rgb(86, 99, 228)
HSL	hsl(235, 72%, 62%)
HSV	hsv(235, 62%, 89%)
CMYK	cmyk(62.3%, 56.6%, 0%, 10.6%)
CIE-LAB	lab(47.63, 34.13, -67.24)
CIE-LCH	lch(47.63, 75.40, 296.91°)
OKLab	oklab(56.19% 0.0136 -0.1933)
OKLCH	oklch(56.19% 0.194 274)
XYZ	xyz(22.2986, 16.5017, 75.3938)
Luminance	0.1650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663E4 #E4D756

analogous

#56AAE4 #5663E4 #9056E4

triadic

#5663E4 #E45663 #63E456

tetradic

#5663E4 #E456AA #E4D756 #56E490

square

#5663E4 #E456AA #E4D756 #56E490

split-complementary

#5663E4 #E49056 #AAE456

monochromatic

#1A27A5 #2334DA #5663E4 #8B94EC #C0C4F5

Accessibility & contrast

On white

4.88

#5663E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#5663E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663E4

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663E4	#FFFFFF	#000000	##FFFFFF
##5663E4	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E8

Deuteranopia (green-blind)

#006BE1

Tritanopia (blue-blind)

#00829A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5663e4;
/* rgb */ color: rgb(86, 99, 228);
/* oklch */ color: oklch(56.2% 0.194 274.0);

Tailwind

colors: {
  custom: {
    50: '#938fed',
    500: '#5663e4',
    950: '#000000',
  },
}

SCSS

$custom: #5663e4;
$custom-light: #938fed;
$custom-dark: #000000;

JSON

{
  "hex": "#5663e4",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 228
  },
  "hsl": {
    "h": 234.507,
    "s": 72.449,
    "l": 61.569
  },
  "oklch": {
    "l": 0.56193,
    "c": 0.19377,
    "h": 274
  },
  "luminance": 0.16504
}

Semantic roles & 50–950 ramp

primary

#5663E4

secondary

#E5E0B0

accent

#C311D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5663E4

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

Preview Lab → · Contrast checker → · Palette generator →