#6368E4#6368E4

#6368E4 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.9% C 0.184 H 277.2°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#6368E4
RGB	rgb(99, 104, 228)
HSL	hsl(238, 70%, 64%)
HSV	hsv(238, 57%, 89%)
CMYK	cmyk(56.6%, 54.4%, 0%, 10.6%)
CIE-LAB	lab(49.68, 33.34, -63.87)
CIE-LCH	lch(49.68, 72.05, 297.56°)
OKLab	oklab(57.94% 0.0232 -0.183)
OKLCH	oklch(57.94% 0.184 277.2)
XYZ	xyz(24.0950, 18.1530, 75.6179)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6368E4 #E4DF63

analogous

#63A9E4 #6368E4 #9F63E4

triadic

#6368E4 #E46368 #68E463

tetradic

#6368E4 #E463A9 #E4DF63 #63E49F

square

#6368E4 #E463A9 #E4DF63 #63E49F

split-complementary

#6368E4 #E49F63 #A9E463

monochromatic

#1E24AE #2F36DB #6368E4 #979BED #CBCDF6

Accessibility & contrast

On white

4.53

#6368E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#6368E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6368E4

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6368E4	#FFFFFF	#000000	##000000
##6368E4	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#117CE8

Deuteranopia (green-blind)

#0071E1

Tritanopia (blue-blind)

#15859C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6368e4;
/* rgb */ color: rgb(99, 104, 228);
/* oklch */ color: oklch(57.9% 0.184 277.2);

Tailwind

colors: {
  custom: {
    50: '#9a93ed',
    500: '#6368e4',
    950: '#000000',
  },
}

SCSS

$custom: #6368e4;
$custom-light: #9a93ed;
$custom-dark: #000000;

JSON

{
  "hex": "#6368e4",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 228
  },
  "hsl": {
    "h": 237.674,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.57943,
    "c": 0.18448,
    "h": 277.2
  },
  "luminance": 0.18155
}

Semantic roles & 50–950 ramp

primary

#6368E4

secondary

#E8E6BB

accent

#CB13D3

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #6368E4

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

Preview Lab → · Contrast checker → · Palette generator →