#5663CE#5663CE

#5663CE is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.6% C 0.164 H 274.4°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5663CE
RGB	rgb(86, 99, 206)
HSL	hsl(234, 55%, 57%)
HSV	hsv(234, 58%, 81%)
CMYK	cmyk(58.3%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(46.12, 26.82, -57.16)
CIE-LCH	lch(46.12, 63.14, 295.14°)
OKLab	oklab(54.59% 0.0126 -0.1636)
OKLCH	oklch(54.59% 0.164 274.4)
XYZ	xyz(19.4365, 15.3569, 60.3205)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5663CE #CEC156

analogous

#569FCE #5663CE #8556CE

triadic

#5663CE #CE5663 #63CE56

tetradic

#5663CE #CE569F #CEC156 #56CE85

square

#5663CE #CE569F #CEC156 #56CE85

split-complementary

#5663CE #CE8556 #9FCE56

monochromatic

#263083 #3442B3 #5663CE #858FDC #B5BBEA

Accessibility & contrast

On white

5.16

#5663CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#5663CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5663CE

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5663CE	#FFFFFF	#000000	##FFFFFF
##5663CE	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2673D2

Deuteranopia (green-blind)

#0368CC

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5663ce;
/* rgb */ color: rgb(86, 99, 206);
/* oklch */ color: oklch(54.6% 0.164 274.4);

Tailwind

colors: {
  custom: {
    50: '#908fde',
    500: '#5663ce',
    950: '#000000',
  },
}

SCSS

$custom: #5663ce;
$custom-light: #908fde;
$custom-dark: #000000;

JSON

{
  "hex": "#5663ce",
  "rgb": {
    "r": 86,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 233.5,
    "s": 55.046,
    "l": 57.255
  },
  "oklch": {
    "l": 0.54587,
    "c": 0.16412,
    "h": 274.4
  },
  "luminance": 0.15358
}

Semantic roles & 50–950 ramp

primary

#5663CE

secondary

#D8D3A8

accent

#CE49DE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5663CE

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

Preview Lab → · Contrast checker → · Palette generator →