#6563CE#6563CE

#6563CE is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.6% C 0.161 H 280.6°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#6563CE
RGB	rgb(101, 99, 206)
HSL	hsl(241, 52%, 60%)
HSV	hsv(241, 52%, 81%)
CMYK	cmyk(51%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(47.16, 29.85, -55.42)
CIE-LCH	lch(47.16, 62.95, 298.30°)
OKLab	oklab(55.64% 0.0297 -0.1581)
OKLCH	oklch(55.64% 0.161 280.6)
XYZ	xyz(20.9658, 16.1454, 60.3922)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563CE #CCCE63

analogous

#6397CE #6563CE #9A63CE

triadic

#6563CE #CE6563 #63CE65

tetradic

#6563CE #CE6397 #CCCE63 #63CE9A

square

#6563CE #CE6397 #CCCE63 #63CE9A

split-complementary

#6563CE #CE9A63 #97CE63

monochromatic

#2D2C8B #3D3ABA #6563CE #9392DD #C1C0EB

Accessibility & contrast

On white

4.97

#6563CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#6563CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563CE

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563CE	#FFFFFF	#000000	##FFFFFF
##6563CE	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C74D2

Deuteranopia (green-blind)

#206CCC

Tritanopia (blue-blind)

#3B7B8F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6563ce;
/* rgb */ color: rgb(101, 99, 206);
/* oklch */ color: oklch(55.6% 0.161 280.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6563ce",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 241.121,
    "s": 52.195,
    "l": 59.804
  },
  "oklch": {
    "l": 0.5564,
    "c": 0.16091,
    "h": 280.6
  },
  "luminance": 0.16147
}

Semantic roles & 50–950 ramp

primary

#6563CE

secondary

#DADBB2

accent

#DC4CD9

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6563CE

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

Preview Lab → · Contrast checker → · Palette generator →