The hex color #6368cc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#9C9733. The grayscale version is
#888888. A 20% lighter version of the original color is
#969BFF, and Hex
#303599 is the 20% darker color. If the color is saturated by 10%, you get
#5F65D3. If the color is desaturated by 10%, the color
#676BC5 is obtained.