#6563CD#6563CD

#6563CD is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.6% C 0.160 H 280.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#6563CD
RGB	rgb(101, 99, 205)
HSL	hsl(241, 51%, 60%)
HSV	hsv(241, 52%, 80%)
CMYK	cmyk(50.7%, 51.7%, 0%, 19.6%)
CIE-LAB	lab(47.10, 29.54, -54.95)
CIE-LCH	lch(47.10, 62.38, 298.26°)
OKLab	oklab(55.57% 0.0297 -0.1567)
OKLCH	oklch(55.57% 0.16 280.7)
XYZ	xyz(20.8447, 16.0970, 59.7544)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563CD #CBCD63

analogous

#6396CD #6563CD #9A63CD

triadic

#6563CD #CD6563 #63CD65

tetradic

#6563CD #CD6396 #CBCD63 #63CD9A

square

#6563CD #CD6396 #CBCD63 #63CD9A

split-complementary

#6563CD #CD9A63 #96CD63

monochromatic

#2E2C8A #3D3BB8 #6563CD #9391DC #C1C0EB

Accessibility & contrast

On white

4.98

#6563CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#6563CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563CD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563CD	#FFFFFF	#000000	##FFFFFF
##6563CD	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D74D1

Deuteranopia (green-blind)

#226CCB

Tritanopia (blue-blind)

#3C7A8E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6563cd;
/* rgb */ color: rgb(101, 99, 205);
/* oklch */ color: oklch(55.6% 0.160 280.7);

Tailwind

colors: {
  custom: {
    50: '#988fdd',
    500: '#6563cd',
    950: '#000000',
  },
}

SCSS

$custom: #6563cd;
$custom-light: #988fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#6563cd",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 205
  },
  "hsl": {
    "h": 241.132,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.55572,
    "c": 0.15953,
    "h": 280.7
  },
  "luminance": 0.16098
}

Semantic roles & 50–950 ramp

primary

#6563CD

secondary

#DADAB1

accent

#DB4DD8

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6563CD

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

Preview Lab → · Contrast checker → · Palette generator →