#6563DF#6563DF

#6563DF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.8% C 0.184 H 279.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#6563DF
RGB	rgb(101, 99, 223)
HSL	hsl(241, 66%, 63%)
HSV	hsv(241, 56%, 87%)
CMYK	cmyk(54.7%, 55.6%, 0%, 12.5%)
CIE-LAB	lab(48.28, 35.15, -63.30)
CIE-LCH	lch(48.28, 72.41, 299.04°)
OKLab	oklab(56.83% 0.0304 -0.1813)
OKLCH	oklch(56.83% 0.184 279.5)
XYZ	xyz(23.1438, 17.0166, 71.8627)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563DF #DDDF63

analogous

#639FDF #6563DF #A363DF

triadic

#6563DF #DF6563 #63DF65

tetradic

#6563DF #DF639F #DDDF63 #63DFA3

square

#6563DF #DF639F #DDDF63 #63DFA3

split-complementary

#6563DF #DFA363 #9FDF63

monochromatic

#2422A6 #3330D5 #6563DF #9796E9 #C9C9F4

Accessibility & contrast

On white

4.77

#6563DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#6563DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563DF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563DF	#FFFFFF	#000000	##FFFFFF
##6563DF	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E3

Deuteranopia (green-blind)

#006EDC

Tritanopia (blue-blind)

#298097

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6563df;
/* rgb */ color: rgb(101, 99, 223);
/* oklch */ color: oklch(56.8% 0.184 279.5);

Tailwind

colors: {
  custom: {
    50: '#9a8fea',
    500: '#6563df',
    950: '#000000',
  },
}

SCSS

$custom: #6563df;
$custom-light: #9a8fea;
$custom-dark: #000000;

JSON

{
  "hex": "#6563df",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 223
  },
  "hsl": {
    "h": 240.968,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.56829,
    "c": 0.18385,
    "h": 279.5
  },
  "luminance": 0.17018
}

Semantic roles & 50–950 ramp

primary

#6563DF

secondary

#E4E5B9

accent

#CE18CB

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6563DF

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

Preview Lab → · Contrast checker → · Palette generator →