#6563DC#6563DC

#6563DC is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.6% C 0.180 H 279.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#6563DC
RGB	rgb(101, 99, 220)
HSL	hsl(241, 63%, 63%)
HSV	hsv(241, 55%, 86%)
CMYK	cmyk(54.1%, 55%, 0%, 13.7%)
CIE-LAB	lab(48.08, 34.21, -61.93)
CIE-LCH	lch(48.08, 70.75, 298.92°)
OKLab	oklab(56.61% 0.0304 -0.1773)
OKLCH	oklch(56.61% 0.18 279.7)
XYZ	xyz(22.7429, 16.8563, 69.7514)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563DC #DADC63

analogous

#639DDC #6563DC #A263DC

triadic

#6563DC #DC6563 #63DC65

tetradic

#6563DC #DC639D #DADC63 #63DCA2

square

#6563DC #DC639D #DADC63 #63DCA2

split-complementary

#6563DC #DCA263 #9DDC63

monochromatic

#2624A1 #3431D1 #6563DC #9695E7 #C8C7F2

Accessibility & contrast

On white

4.80

#6563DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#6563DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563DC

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563DC	#FFFFFF	#000000	##FFFFFF
##6563DC	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E77E0

Deuteranopia (green-blind)

#006DD9

Tritanopia (blue-blind)

#2D7F96

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6563dc;
/* rgb */ color: rgb(101, 99, 220);
/* oklch */ color: oklch(56.6% 0.180 279.7);

Tailwind

colors: {
  custom: {
    50: '#9a8fe8',
    500: '#6563dc',
    950: '#000000',
  },
}

SCSS

$custom: #6563dc;
$custom-light: #9a8fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#6563dc",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 220
  },
  "hsl": {
    "h": 240.992,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.56614,
    "c": 0.17986,
    "h": 279.7
  },
  "luminance": 0.16858
}

Semantic roles & 50–950 ramp

primary

#6563DC

secondary

#E3E3B7

accent

#CB1AC8

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6563DC

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

Preview Lab → · Contrast checker → · Palette generator →