The hex color #2c3ca8 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D3C357. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#5F6FDB, and Hex
#000975 is the 20% darker color. If the color is saturated by 10%, you get
#2739B0. If the color is desaturated by 10%, the color
#313FA0 is obtained.