#5663E9#5663E9

#5663E9 is a mid, highly saturated blue. Relative luminance 0.168; OKLCH L 56.6% C 0.200 H 273.9°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#5663E9
RGB	rgb(86, 99, 233)
HSL	hsl(235, 77%, 63%)
HSV	hsv(235, 63%, 91%)
CMYK	cmyk(63.1%, 57.5%, 0%, 8.6%)
CIE-LAB	lab(47.99, 35.79, -69.47)
CIE-LCH	lch(47.99, 78.15, 297.26°)
OKLab	oklab(56.57% 0.0136 -0.1999)
OKLCH	oklch(56.57% 0.2 273.9)
XYZ	xyz(23.0027, 16.7834, 79.1023)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663E9 #E9DC56

analogous

#56ACE9 #5663E9 #9356E9

triadic

#5663E9 #E95663 #63E956

tetradic

#5663E9 #E956AC #E9DC56 #56E993

square

#5663E9 #E956AC #E9DC56 #56E993

split-complementary

#5663E9 #E99356 #ACE956

monochromatic

#1724AE #2031E2 #5663E9 #8C95F0 #C2C7F7

Accessibility & contrast

On white

4.82

#5663E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#5663E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663E9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663E9	#FFFFFF	#000000	##FFFFFF
##5663E9	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079ED

Deuteranopia (green-blind)

#006CE6

Tritanopia (blue-blind)

#00849C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5663e9;
/* rgb */ color: rgb(86, 99, 233);
/* oklch */ color: oklch(56.6% 0.200 273.9);

Tailwind

colors: {
  custom: {
    50: '#948ff1',
    500: '#5663e9',
    950: '#000000',
  },
}

SCSS

$custom: #5663e9;
$custom-light: #948ff1;
$custom-dark: #000000;

JSON

{
  "hex": "#5663e9",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 233
  },
  "hsl": {
    "h": 234.694,
    "s": 76.963,
    "l": 62.549
  },
  "oklch": {
    "l": 0.56574,
    "c": 0.20032,
    "h": 273.9
  },
  "luminance": 0.16785
}

Semantic roles & 50–950 ramp

primary

#5663E9

secondary

#E8E3B3

accent

#C70CD9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #5663E9

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

Preview Lab → · Contrast checker → · Palette generator →