#6563F3#6563F3

#6563F3 is a mid, highly saturated blue. Relative luminance 0.182; OKLCH L 58.3% C 0.210 H 278.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#6563F3
RGB	rgb(101, 99, 243)
HSL	hsl(241, 86%, 67%)
HSV	hsv(241, 59%, 95%)
CMYK	cmyk(58.4%, 59.3%, 0%, 4.7%)
CIE-LAB	lab(49.69, 41.44, -72.27)
CIE-LCH	lch(49.69, 83.30, 299.83°)
OKLab	oklab(58.32% 0.0303 -0.2077)
OKLCH	oklch(58.32% 0.21 278.3)
XYZ	xyz(26.0012, 18.1596, 86.9116)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6563F3 #F1F363

analogous

#63A9F3 #6563F3 #AD63F3

triadic

#6563F3 #F36563 #63F365

tetradic

#6563F3 #F363A9 #F1F363 #63F3AD

square

#6563F3 #F363A9 #F1F363 #63F3AD

split-complementary

#6563F3 #F3AD63 #A9F363

monochromatic

#1210CC #2D2AEF #6563F3 #9D9CF7 #D5D5FC

Accessibility & contrast

On white

4.53

#6563F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#6563F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6563F3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6563F3	#FFFFFF	#000000	##000000
##6563F3	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CF8

Deuteranopia (green-blind)

#0070F0

Tritanopia (blue-blind)

#0086A2

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6563f3;
/* rgb */ color: rgb(101, 99, 243);
/* oklch */ color: oklch(58.3% 0.210 278.3);

Tailwind

colors: {
  custom: {
    50: '#9d8ff8',
    500: '#6563f3',
    950: '#000000',
  },
}

SCSS

$custom: #6563f3;
$custom-light: #9d8ff8;
$custom-dark: #000000;

JSON

{
  "hex": "#6563f3",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 243
  },
  "hsl": {
    "h": 240.833,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.58316,
    "c": 0.20988,
    "h": 278.3
  },
  "luminance": 0.18161
}

Semantic roles & 50–950 ramp

primary

#6563F3

secondary

#EFF0C2

accent

#E203DF

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #6563F3

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

Preview Lab → · Contrast checker → · Palette generator →