#6563E4#6563E4

#6563E4 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 57.2% C 0.190 H 279.2°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#6563E4
RGB	rgb(101, 99, 228)
HSL	hsl(241, 70%, 64%)
HSV	hsv(241, 57%, 89%)
CMYK	cmyk(55.7%, 56.6%, 0%, 10.6%)
CIE-LAB	lab(48.62, 36.72, -65.57)
CIE-LCH	lch(48.62, 75.16, 299.25°)
OKLab	oklab(57.19% 0.0305 -0.188)
OKLCH	oklch(57.19% 0.19 279.2)
XYZ	xyz(23.8278, 17.2902, 75.4655)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563E4 #E2E463

analogous

#63A2E4 #6563E4 #A663E4

triadic

#6563E4 #E46563 #63E465

tetradic

#6563E4 #E463A2 #E2E463 #63E4A6

square

#6563E4 #E463A2 #E2E463 #63E4A6

split-complementary

#6563E4 #E4A663 #A2E463

monochromatic

#201EAE #312FDB #6563E4 #9997ED #CCCBF6

Accessibility & contrast

On white

4.71

#6563E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#6563E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563E4

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563E4	#FFFFFF	#000000	##FFFFFF
##6563E4	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E8

Deuteranopia (green-blind)

#006EE1

Tritanopia (blue-blind)

#21819A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6563e4;
/* rgb */ color: rgb(101, 99, 228);
/* oklch */ color: oklch(57.2% 0.190 279.2);

Tailwind

colors: {
  custom: {
    50: '#9b8fed',
    500: '#6563e4',
    950: '#000000',
  },
}

SCSS

$custom: #6563e4;
$custom-light: #9b8fed;
$custom-dark: #000000;

JSON

{
  "hex": "#6563e4",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 228
  },
  "hsl": {
    "h": 240.93,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.57192,
    "c": 0.19046,
    "h": 279.2
  },
  "luminance": 0.17292
}

Semantic roles & 50–950 ramp

primary

#6563E4

secondary

#E7E8BB

accent

#D313D0

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6563E4

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

Preview Lab → · Contrast checker → · Palette generator →