#6364E1#6364E1

#6364E1 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 57.0% C 0.186 H 278.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#6364E1
RGB	rgb(99, 100, 225)
HSL	hsl(240, 68%, 64%)
HSV	hsv(240, 56%, 88%)
CMYK	cmyk(56%, 55.6%, 0%, 11.8%)
CIE-LAB	lab(48.51, 34.80, -64.07)
CIE-LCH	lch(48.51, 72.91, 298.51°)
OKLab	oklab(57.01% 0.0271 -0.1836)
OKLCH	oklch(57.01% 0.186 278.4)
XYZ	xyz(23.2891, 17.2017, 73.3126)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364E1 #E1E063

analogous

#63A3E1 #6364E1 #A163E1

triadic

#6364E1 #E16364 #64E163

tetradic

#6364E1 #E163A3 #E1E063 #63E1A1

square

#6364E1 #E163A3 #E1E063 #63E1A1

split-complementary

#6364E1 #E1A163 #A3E163

monochromatic

#2122A9 #3031D7 #6364E1 #9697EB #CACAF5

Accessibility & contrast

On white

4.73

#6364E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#6364E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364E1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364E1	#FFFFFF	#000000	##FFFFFF
##6364E1	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E5

Deuteranopia (green-blind)

#006EDE

Tritanopia (blue-blind)

#1D8199

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6364e1;
/* rgb */ color: rgb(99, 100, 225);
/* oklch */ color: oklch(57.0% 0.186 278.4);

Tailwind

colors: {
  custom: {
    50: '#9a90eb',
    500: '#6364e1',
    950: '#000000',
  },
}

SCSS

$custom: #6364e1;
$custom-light: #9a90eb;
$custom-dark: #000000;

JSON

{
  "hex": "#6364e1",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 225
  },
  "hsl": {
    "h": 239.524,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.57008,
    "c": 0.1856,
    "h": 278.4
  },
  "luminance": 0.17203
}

Semantic roles & 50–950 ramp

primary

#6364E1

secondary

#E6E6BA

accent

#CE16D0

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6364E1

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

Preview Lab → · Contrast checker → · Palette generator →