#6563CF#6563CF

#6563CF is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.7% C 0.162 H 280.6°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#6563CF
RGB	rgb(101, 99, 207)
HSL	hsl(241, 53%, 60%)
HSV	hsv(241, 52%, 81%)
CMYK	cmyk(51.2%, 52.2%, 0%, 18.8%)
CIE-LAB	lab(47.23, 30.16, -55.89)
CIE-LCH	lch(47.23, 63.51, 298.35°)
OKLab	oklab(55.71% 0.0298 -0.1595)
OKLCH	oklch(55.71% 0.162 280.6)
XYZ	xyz(21.0877, 16.1942, 61.0340)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563CF #CDCF63

analogous

#6397CF #6563CF #9B63CF

triadic

#6563CF #CF6563 #63CF65

tetradic

#6563CF #CF6397 #CDCF63 #63CF9B

square

#6563CF #CF6397 #CDCF63 #63CF9B

split-complementary

#6563CF #CF9B63 #97CF63

monochromatic

#2D2B8C #3C3ABB #6563CF #9392DD #C1C1EC

Accessibility & contrast

On white

4.95

#6563CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#6563CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563CF

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563CF	#FFFFFF	#000000	##FFFFFF
##6563CF	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A74D3

Deuteranopia (green-blind)

#1E6CCD

Tritanopia (blue-blind)

#3A7B8F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6563cf;
/* rgb */ color: rgb(101, 99, 207);
/* oklch */ color: oklch(55.7% 0.162 280.6);

Tailwind

colors: {
  custom: {
    50: '#988fde',
    500: '#6563cf',
    950: '#000000',
  },
}

SCSS

$custom: #6563cf;
$custom-light: #988fde;
$custom-dark: #000000;

JSON

{
  "hex": "#6563cf",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 207
  },
  "hsl": {
    "h": 241.111,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.55708,
    "c": 0.16228,
    "h": 280.6
  },
  "luminance": 0.16195
}

Semantic roles & 50–950 ramp

primary

#6563CF

secondary

#DBDCB2

accent

#DC4BDA

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6563CF

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

Preview Lab → · Contrast checker → · Palette generator →