#6364E3#6364E3

#6364E3 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 57.2% C 0.188 H 278.3°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#6364E3
RGB	rgb(99, 100, 227)
HSL	hsl(240, 70%, 64%)
HSV	hsv(240, 56%, 89%)
CMYK	cmyk(56.4%, 55.9%, 0%, 11%)
CIE-LAB	lab(48.65, 35.44, -64.97)
CIE-LCH	lch(48.65, 74.01, 298.61°)
OKLab	oklab(57.15% 0.0271 -0.1863)
OKLCH	oklch(57.15% 0.188 278.3)
XYZ	xyz(23.5635, 17.3114, 74.7579)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364E3 #E3E263

analogous

#63A4E3 #6364E3 #A263E3

triadic

#6364E3 #E36364 #64E363

tetradic

#6364E3 #E363A4 #E3E263 #63E3A2

square

#6364E3 #E363A4 #E3E263 #63E3A2

split-complementary

#6364E3 #E3A263 #A4E363

monochromatic

#1F20AD #2F30DA #6364E3 #9798EC #CBCBF6

Accessibility & contrast

On white

4.71

#6364E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#6364E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6364E3

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364E3	#FFFFFF	#000000	##FFFFFF
##6364E3	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079E7

Deuteranopia (green-blind)

#006EE0

Tritanopia (blue-blind)

#19829A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6364e3;
/* rgb */ color: rgb(99, 100, 227);
/* oklch */ color: oklch(57.2% 0.188 278.3);

Tailwind

colors: {
  custom: {
    50: '#9a90ed',
    500: '#6364e3',
    950: '#000000',
  },
}

SCSS

$custom: #6364e3;
$custom-light: #9a90ed;
$custom-dark: #000000;

JSON

{
  "hex": "#6364e3",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 227
  },
  "hsl": {
    "h": 239.531,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.57154,
    "c": 0.18826,
    "h": 278.3
  },
  "luminance": 0.17313
}

Semantic roles & 50–950 ramp

primary

#6364E3

secondary

#E7E7BA

accent

#D014D2

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6364E3

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

Preview Lab → · Contrast checker → · Palette generator →