#6364E4#6364E4

#6364E4 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.2% C 0.190 H 278.2°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#6364E4
RGB	rgb(99, 100, 228)
HSL	hsl(240, 70%, 64%)
HSV	hsv(240, 57%, 89%)
CMYK	cmyk(56.6%, 56.1%, 0%, 10.6%)
CIE-LAB	lab(48.72, 35.75, -65.43)
CIE-LCH	lch(48.72, 74.56, 298.66°)
OKLab	oklab(57.23% 0.0272 -0.1876)
OKLCH	oklch(57.23% 0.19 278.2)
XYZ	xyz(23.7019, 17.3668, 75.4869)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364E4 #E4E363

analogous

#63A5E4 #6364E4 #A363E4

triadic

#6364E4 #E46364 #64E463

tetradic

#6364E4 #E463A5 #E4E363 #63E4A3

square

#6364E4 #E463A5 #E4E363 #63E4A3

split-complementary

#6364E4 #E4A363 #A5E463

monochromatic

#1E1FAE #2F30DB #6364E4 #9798ED #CBCCF6

Accessibility & contrast

On white

4.69

#6364E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#6364E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364E4

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364E4	#FFFFFF	#000000	##FFFFFF
##6364E4	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E8

Deuteranopia (green-blind)

#006EE1

Tritanopia (blue-blind)

#16829A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6364e4;
/* rgb */ color: rgb(99, 100, 228);
/* oklch */ color: oklch(57.2% 0.190 278.2);

Tailwind

colors: {
  custom: {
    50: '#9a90ed',
    500: '#6364e4',
    950: '#000000',
  },
}

SCSS

$custom: #6364e4;
$custom-light: #9a90ed;
$custom-dark: #000000;

JSON

{
  "hex": "#6364e4",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 228
  },
  "hsl": {
    "h": 239.535,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.57227,
    "c": 0.18957,
    "h": 278.2
  },
  "luminance": 0.17368
}

Semantic roles & 50–950 ramp

primary

#6364E4

secondary

#E8E8BB

accent

#D113D3

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6364E4

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

Preview Lab → · Contrast checker → · Palette generator →