The hex color #3c538c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#C3AC73. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#6F86BF, and Hex
#092059 is the 20% darker color. If the color is saturated by 10%, you get
#395291. If the color is desaturated by 10%, the color
#3F5487 is obtained.