#6364DC#6364DC

#6364DC is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.6% C 0.179 H 278.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#6364DC
RGB	rgb(99, 100, 220)
HSL	hsl(240, 63%, 63%)
HSV	hsv(240, 55%, 86%)
CMYK	cmyk(55%, 54.5%, 0%, 13.7%)
CIE-LAB	lab(48.18, 33.22, -61.78)
CIE-LCH	lch(48.18, 70.15, 298.27°)
OKLab	oklab(56.65% 0.027 -0.1769)
OKLCH	oklch(56.65% 0.179 278.7)
XYZ	xyz(22.6170, 16.9328, 69.7728)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364DC #DCDB63

analogous

#63A1DC #6364DC #9E63DC

triadic

#6364DC #DC6364 #64DC63

tetradic

#6364DC #DC63A1 #DCDB63 #63DC9E

square

#6364DC #DC63A1 #DCDB63 #63DC9E

split-complementary

#6364DC #DC9E63 #A1DC63

monochromatic

#2425A1 #3132D1 #6364DC #9596E7 #C7C7F2

Accessibility & contrast

On white

4.79

#6364DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#6364DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364DC

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364DC	#FFFFFF	#000000	##FFFFFF
##6364DC	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1377E0

Deuteranopia (green-blind)

#006ED9

Tritanopia (blue-blind)

#258096

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6364dc;
/* rgb */ color: rgb(99, 100, 220);
/* oklch */ color: oklch(56.6% 0.179 278.7);

Tailwind

colors: {
  custom: {
    50: '#9990e8',
    500: '#6364dc',
    950: '#000000',
  },
}

SCSS

$custom: #6364dc;
$custom-light: #9990e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6364dc",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 220
  },
  "hsl": {
    "h": 239.504,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.56649,
    "c": 0.17894,
    "h": 278.7
  },
  "luminance": 0.16934
}

Semantic roles & 50–950 ramp

primary

#6364DC

secondary

#E3E3B7

accent

#CA1ACB

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #6364DC

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

Preview Lab → · Contrast checker → · Palette generator →