#6364EE#6364EE

#6364EE is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 58.0% C 0.203 H 277.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6364EE
RGB	rgb(99, 100, 238)
HSL	hsl(240, 80%, 66%)
HSV	hsv(240, 58%, 93%)
CMYK	cmyk(58.4%, 58%, 0%, 6.7%)
CIE-LAB	lab(49.42, 38.93, -69.91)
CIE-LCH	lch(49.42, 80.02, 299.11°)
OKLab	oklab(57.97% 0.0272 -0.2008)
OKLCH	oklch(57.97% 0.203 277.7)
XYZ	xyz(25.1304, 17.9382, 83.0105)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6364EE #EEED63

analogous

#63A9EE #6364EE #A763EE

triadic

#6364EE #EE6364 #64EE63

tetradic

#6364EE #EE63A9 #EEED63 #63EEA7

square

#6364EE #EE63A9 #EEED63 #63EEA7

split-complementary

#6364EE #EEA763 #A9EE63

monochromatic

#1516C2 #2C2DE8 #6364EE #9A9BF4 #D1D2FA

Accessibility & contrast

On white

4.58

#6364EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#6364EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6364EE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6364EE	#FFFFFF	#000000	##000000
##6364EE	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BF3

Deuteranopia (green-blind)

#0070EB

Tritanopia (blue-blind)

#00859F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6364ee;
/* rgb */ color: rgb(99, 100, 238);
/* oklch */ color: oklch(58.0% 0.203 277.7);

Tailwind

colors: {
  custom: {
    50: '#9b90f4',
    500: '#6364ee',
    950: '#000000',
  },
}

SCSS

$custom: #6364ee;
$custom-light: #9b90f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6364ee",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 238
  },
  "hsl": {
    "h": 239.568,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.57969,
    "c": 0.20264,
    "h": 277.7
  },
  "luminance": 0.1794
}

Semantic roles & 50–950 ramp

primary

#6364EE

secondary

#EDEDC0

accent

#DB09DD

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6364EE

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

Preview Lab → · Contrast checker → · Palette generator →