The hex color #3C59A8 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#C3A657. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#6F8CDB, and Hex
#092675 is the 20% darker color. If the color is saturated by 10%, you get
#3757AE. If the color is desaturated by 10%, the color
#415BA2 is obtained.