#6563E1#6563E1

#6563E1 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 57.0% C 0.186 H 279.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#6563E1
RGB	rgb(101, 99, 225)
HSL	hsl(241, 68%, 64%)
HSV	hsv(241, 56%, 88%)
CMYK	cmyk(55.1%, 56%, 0%, 11.8%)
CIE-LAB	lab(48.42, 35.78, -64.21)
CIE-LCH	lch(48.42, 73.51, 299.13°)
OKLab	oklab(56.97% 0.0304 -0.184)
OKLCH	oklch(56.97% 0.187 279.4)
XYZ	xyz(23.4150, 17.1251, 73.2912)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563E1 #DFE163

analogous

#63A0E1 #6563E1 #A463E1

triadic

#6563E1 #E16563 #63E165

tetradic

#6563E1 #E163A0 #DFE163 #63E1A4

square

#6563E1 #E163A0 #DFE163 #63E1A4

split-complementary

#6563E1 #E1A463 #A0E163

monochromatic

#2321A9 #3230D7 #6563E1 #9896EB #CACAF5

Accessibility & contrast

On white

4.75

#6563E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#6563E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563E1

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563E1	#FFFFFF	#000000	##FFFFFF
##6563E1	1.00	4.75	4.43	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E5

Deuteranopia (green-blind)

#006EDE

Tritanopia (blue-blind)

#268098

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6563e1;
/* rgb */ color: rgb(101, 99, 225);
/* oklch */ color: oklch(57.0% 0.186 279.4);

Tailwind

colors: {
  custom: {
    50: '#9b8feb',
    500: '#6563e1',
    950: '#000000',
  },
}

SCSS

$custom: #6563e1;
$custom-light: #9b8feb;
$custom-dark: #000000;

JSON

{
  "hex": "#6563e1",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 225
  },
  "hsl": {
    "h": 240.952,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.56973,
    "c": 0.1865,
    "h": 279.4
  },
  "luminance": 0.17127
}

Semantic roles & 50–950 ramp

primary

#6563E1

secondary

#E6E6BA

accent

#D016CD

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6563E1

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

Preview Lab → · Contrast checker → · Palette generator →