#6563BC#6563BC

#6563BC is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.5% C 0.136 H 281.9°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#6563BC
RGB	rgb(101, 99, 188)
HSL	hsl(241, 40%, 56%)
HSV	hsv(241, 47%, 74%)
CMYK	cmyk(46.3%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(46.07, 24.31, -46.80)
CIE-LCH	lch(46.07, 52.74, 297.45°)
OKLab	oklab(54.46% 0.028 -0.1328)
OKLCH	oklch(54.46% 0.136 281.9)
XYZ	xyz(18.9031, 15.3203, 49.5283)
Luminance	0.1532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563BC #BABC63

analogous

#638EBC #6563BC #9263BC

triadic

#6563BC #BC6563 #63BC65

tetradic

#6563BC #BC638E #BABC63 #63BC92

square

#6563BC #BC638E #BABC63 #63BC92

split-complementary

#6563BC #BC9263 #8EBC63

monochromatic

#333173 #46449E #6563BC #8F8ECE #BAB9E1

Accessibility & contrast

On white

5.17

#6563BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#6563BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563BC

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563BC	#FFFFFF	#000000	##FFFFFF
##6563BC	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E70BF

Deuteranopia (green-blind)

#396ABA

Tritanopia (blue-blind)

#487686

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6563bc;
/* rgb */ color: rgb(101, 99, 188);
/* oklch */ color: oklch(54.5% 0.136 281.9);

Tailwind

colors: {
  custom: {
    50: '#968fd1',
    500: '#6563bc',
    950: '#000000',
  },
}

SCSS

$custom: #6563bc;
$custom-light: #968fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#6563bc",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 241.348,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54464,
    "c": 0.13574,
    "h": 281.9
  },
  "luminance": 0.15321
}

Semantic roles & 50–950 ramp

primary

#6563BC

secondary

#CFD0AB

accent

#D058CD

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #6563BC

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

Preview Lab → · Contrast checker → · Palette generator →