#5663E7#5663E7

#5663E7 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.4% C 0.198 H 273.9°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5663E7
RGB	rgb(86, 99, 231)
HSL	hsl(235, 75%, 62%)
HSV	hsv(235, 63%, 91%)
CMYK	cmyk(62.8%, 57.1%, 0%, 9.4%)
CIE-LAB	lab(47.84, 35.12, -68.58)
CIE-LCH	lch(47.84, 77.05, 297.12°)
OKLab	oklab(56.42% 0.0136 -0.1972)
OKLCH	oklch(56.42% 0.198 273.9)
XYZ	xyz(22.7186, 16.6697, 77.6062)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663E7 #E7DA56

analogous

#56ABE7 #5663E7 #9256E7

triadic

#5663E7 #E75663 #63E756

tetradic

#5663E7 #E756AB #E7DA56 #56E792

square

#5663E7 #E756AB #E7DA56 #56E792

split-complementary

#5663E7 #E79256 #ABE756

monochromatic

#1825AA #2032DF #5663E7 #8C94EF #C1C6F6

Accessibility & contrast

On white

4.84

#5663E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#5663E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663E7

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663E7	#FFFFFF	#000000	##FFFFFF
##5663E7	1.00	4.84	4.33	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078EB

Deuteranopia (green-blind)

#006BE4

Tritanopia (blue-blind)

#00839B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5663e7;
/* rgb */ color: rgb(86, 99, 231);
/* oklch */ color: oklch(56.4% 0.198 273.9);

Tailwind

colors: {
  custom: {
    50: '#948fef',
    500: '#5663e7',
    950: '#000000',
  },
}

SCSS

$custom: #5663e7;
$custom-light: #948fef;
$custom-dark: #000000;

JSON

{
  "hex": "#5663e7",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 231
  },
  "hsl": {
    "h": 234.621,
    "s": 75.13,
    "l": 62.157
  },
  "oklch": {
    "l": 0.56421,
    "c": 0.19771,
    "h": 273.9
  },
  "luminance": 0.16672
}

Semantic roles & 50–950 ramp

primary

#5663E7

secondary

#E7E2B2

accent

#C50ED7

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #5663E7

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

Preview Lab → · Contrast checker → · Palette generator →