#6364E7#6364E7

#6364E7 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 57.4% C 0.194 H 278.1°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#6364E7
RGB	rgb(99, 100, 231)
HSL	hsl(240, 73%, 65%)
HSV	hsv(240, 57%, 91%)
CMYK	cmyk(57.1%, 56.7%, 0%, 9.4%)
CIE-LAB	lab(48.93, 36.71, -66.78)
CIE-LCH	lch(48.93, 76.20, 298.80°)
OKLab	oklab(57.45% 0.0272 -0.1916)
OKLCH	oklch(57.45% 0.194 278.1)
XYZ	xyz(24.1220, 17.5348, 77.6992)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364E7 #E7E663

analogous

#63A6E7 #6364E7 #A463E7

triadic

#6364E7 #E76364 #64E763

tetradic

#6364E7 #E763A6 #E7E663 #63E7A4

square

#6364E7 #E763A6 #E7E663 #63E7A4

split-complementary

#6364E7 #E7A463 #A6E763

monochromatic

#1C1DB4 #2E2FDF #6364E7 #9899EF #CDCDF7

Accessibility & contrast

On white

4.66

#6364E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#6364E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6364E7

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364E7	#FFFFFF	#000000	##FFFFFF
##6364E7	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AEB

Deuteranopia (green-blind)

#006FE4

Tritanopia (blue-blind)

#0D839C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6364e7;
/* rgb */ color: rgb(99, 100, 231);
/* oklch */ color: oklch(57.4% 0.194 278.1);

Tailwind

colors: {
  custom: {
    50: '#9a90ef',
    500: '#6364e7',
    950: '#000000',
  },
}

SCSS

$custom: #6364e7;
$custom-light: #9a90ef;
$custom-dark: #000000;

JSON

{
  "hex": "#6364e7",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 231
  },
  "hsl": {
    "h": 239.545,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.57447,
    "c": 0.19352,
    "h": 278.1
  },
  "luminance": 0.17537
}

Semantic roles & 50–950 ramp

primary

#6364E7

secondary

#EAE9BC

accent

#D410D5

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6364E7

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

Preview Lab → · Contrast checker → · Palette generator →