#6364EF#6364EF

#6364EF is a mid, highly saturated blue. Relative luminance 0.180; OKLCH L 58.0% C 0.204 H 277.6°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6364EF
RGB	rgb(99, 100, 239)
HSL	hsl(240, 81%, 66%)
HSV	hsv(240, 59%, 94%)
CMYK	cmyk(58.6%, 58.2%, 0%, 6.3%)
CIE-LAB	lab(49.49, 39.25, -70.36)
CIE-LCH	lch(49.49, 80.56, 299.15°)
OKLab	oklab(58.04% 0.0271 -0.2021)
OKLCH	oklch(58.04% 0.204 277.6)
XYZ	xyz(25.2778, 17.9971, 83.7864)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364EF #EFEE63

analogous

#63AAEF #6364EF #A863EF

triadic

#6364EF #EF6364 #64EF63

tetradic

#6364EF #EF63AA #EFEE63 #63EFA8

square

#6364EF #EF63AA #EFEE63 #63EFA8

split-complementary

#6364EF #EFA863 #AAEF63

monochromatic

#1415C4 #2B2DE9 #6364EF #9B9BF5 #D2D2FA

Accessibility & contrast

On white

4.57

#6364EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#6364EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6364EF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364EF	#FFFFFF	#000000	##000000
##6364EF	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007CF4

Deuteranopia (green-blind)

#0070EC

Tritanopia (blue-blind)

#0085A0

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6364ef;
/* rgb */ color: rgb(99, 100, 239);
/* oklch */ color: oklch(58.0% 0.204 277.6);

Tailwind

colors: {
  custom: {
    50: '#9c90f5',
    500: '#6364ef',
    950: '#000000',
  },
}

SCSS

$custom: #6364ef;
$custom-light: #9c90f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6364ef",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 239
  },
  "hsl": {
    "h": 239.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.58044,
    "c": 0.20393,
    "h": 277.6
  },
  "luminance": 0.17999
}

Semantic roles & 50–950 ramp

primary

#6364EF

secondary

#EEEDC0

accent

#DC08DE

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6364EF

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

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