#6563FF#6563FF

#6563FF is a mid, highly saturated blue. Relative luminance 0.189; OKLCH L 59.2% C 0.225 H 277.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#6563FF
RGB	rgb(101, 99, 255)
HSL	hsl(241, 100%, 69%)
HSV	hsv(241, 61%, 100%)
CMYK	cmyk(60.4%, 61.2%, 0%, 0%)
CIE-LAB	lab(50.58, 45.21, -77.50)
CIE-LCH	lch(50.58, 89.72, 300.26°)
OKLab	oklab(59.25% 0.0297 -0.2231)
OKLCH	oklch(59.25% 0.225 277.6)
XYZ	xyz(27.8729, 18.9082, 96.7692)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563FF #FDFF63

analogous

#63AFFF #6563FF #B363FF

triadic

#6563FF #FF6563 #63FF65

tetradic

#6563FF #FF63AF #FDFF63 #63FFB3

square

#6563FF #FF63AF #FDFF63 #63FFB3

split-complementary

#6563FF #FFB363 #AFFF63

monochromatic

#0300E8 #2926FF #6563FF #A1A0FF #DEDDFF

Accessibility & contrast

On white

4.39

#6563FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#6563FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6563FF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563FF	#FFFFFF	#000000	##000000
##6563FF	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007FFF

Deuteranopia (green-blind)

#0072FC

Tritanopia (blue-blind)

#008AA8

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6563ff;
/* rgb */ color: rgb(101, 99, 255);
/* oklch */ color: oklch(59.2% 0.225 277.6);

Tailwind

colors: {
  custom: {
    50: '#9f90ff',
    500: '#6563ff',
    950: '#000000',
  },
}

SCSS

$custom: #6563ff;
$custom-light: #9f90ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6563ff",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 255
  },
  "hsl": {
    "h": 240.769,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.59249,
    "c": 0.22503,
    "h": 277.6
  },
  "luminance": 0.1891
}

Semantic roles & 50–950 ramp

primary

#6563FF

secondary

#F5F5C8

accent

#E600E3

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #6563FF

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

Preview Lab → · Contrast checker → · Palette generator →