#5663EE#5663EE

#5663EE is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 57.0% C 0.207 H 273.8°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#5663EE
RGB	rgb(86, 99, 238)
HSL	hsl(235, 82%, 64%)
HSV	hsv(235, 64%, 93%)
CMYK	cmyk(63.9%, 58.4%, 0%, 6.7%)
CIE-LAB	lab(48.35, 37.45, -71.69)
CIE-LCH	lch(48.35, 80.88, 297.58°)
OKLab	oklab(56.96% 0.0136 -0.2064)
OKLCH	oklch(56.96% 0.207 273.8)
XYZ	xyz(23.7271, 17.0731, 82.9174)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663EE #EEE156

analogous

#56AFEE #5663EE #9556EE

triadic

#5663EE #EE5663 #63EE56

tetradic

#5663EE #EE56AF #EEE156 #56EE95

square

#5663EE #EE56AF #EEE156 #56EE95

split-complementary

#5663EE #EE9556 #AFEE56

monochromatic

#1221B7 #1E30E8 #5663EE #8E96F4 #C5CAF9

Accessibility & contrast

On white

4.76

#5663EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#5663EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663EE

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663EE	#FFFFFF	#000000	##FFFFFF
##5663EE	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AF3

Deuteranopia (green-blind)

#006CEB

Tritanopia (blue-blind)

#00859F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5663ee;
/* rgb */ color: rgb(86, 99, 238);
/* oklch */ color: oklch(57.0% 0.207 273.8);

Tailwind

colors: {
  custom: {
    50: '#958ff4',
    500: '#5663ee',
    950: '#000000',
  },
}

SCSS

$custom: #5663ee;
$custom-light: #958ff4;
$custom-dark: #000000;

JSON

{
  "hex": "#5663ee",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 238
  },
  "hsl": {
    "h": 234.868,
    "s": 81.72,
    "l": 63.529
  },
  "oklch": {
    "l": 0.56961,
    "c": 0.20682,
    "h": 273.8
  },
  "luminance": 0.17075
}

Semantic roles & 50–950 ramp

primary

#5663EE

secondary

#EBE6B5

accent

#CC07DE

background

#F9F8FF

surface

#F2F0FE

border

#CCCBD6

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #5663EE

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

Preview Lab → · Contrast checker → · Palette generator →