The hex color #3868cc is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C79733. The grayscale version is
#797979. A 20% lighter version of the original color is
#6B9BFF, and Hex
#053599 is the 20% darker color. If the color is saturated by 10%, you get
#3166D4. If the color is desaturated by 10%, the color
#3F6AC4 is obtained.