The hex color #2a3397 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D5CC68. The grayscale version is
#515151. A 20% lighter version of the original color is
#5D66CA, and Hex
#000064 is the 20% darker color. If the color is saturated by 10%, you get
#26309E. If the color is desaturated by 10%, the color
#2E3690 is obtained.