#6364CF#6364CF

#6364CF is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.161 H 279.4°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#6364CF
RGB	rgb(99, 100, 207)
HSL	hsl(239, 53%, 60%)
HSV	hsv(239, 52%, 81%)
CMYK	cmyk(52.2%, 51.7%, 0%, 18.8%)
CIE-LAB	lab(47.33, 29.12, -55.74)
CIE-LCH	lch(47.33, 62.89, 297.59°)
OKLab	oklab(55.75% 0.0263 -0.1591)
OKLCH	oklch(55.75% 0.161 279.4)
XYZ	xyz(20.9617, 16.2707, 61.0554)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364CF #CFCE63

analogous

#639ACF #6364CF #9863CF

triadic

#6364CF #CF6364 #64CF63

tetradic

#6364CF #CF639A #CFCE63 #63CF98

square

#6364CF #CF639A #CFCE63 #63CF98

split-complementary

#6364CF #CF9863 #9ACF63

monochromatic

#2B2C8C #3A3BBB #6364CF #9293DD #C1C1EC

Accessibility & contrast

On white

4.94

#6364CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#6364CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364CF

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364CF	#FFFFFF	#000000	##FFFFFF
##6364CF	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C75D3

Deuteranopia (green-blind)

#1E6CCD

Tritanopia (blue-blind)

#357C90

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #6364cf;
/* rgb */ color: rgb(99, 100, 207);
/* oklch */ color: oklch(55.7% 0.161 279.4);

Tailwind

colors: {
  custom: {
    50: '#9790de',
    500: '#6364cf',
    950: '#000000',
  },
}

SCSS

$custom: #6364cf;
$custom-light: #9790de;
$custom-dark: #000000;

JSON

{
  "hex": "#6364cf",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 207
  },
  "hsl": {
    "h": 239.444,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.55745,
    "c": 0.16128,
    "h": 279.4
  },
  "luminance": 0.16272
}

Semantic roles & 50–950 ramp

primary

#6364CF

secondary

#DCDBB2

accent

#DB4BDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6364CF

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

Preview Lab → · Contrast checker → · Palette generator →