The hex color #2000a1 is a dark color. The web-safe version is Hex
#330099. A complementary color is
#DFFF5E. The grayscale version is
#404040. A 20% lighter version of the original color is
#5333D4, and Hex
#00006E is the 20% darker color. If the color is saturated by 10%, you get
#1D00AB. If the color is desaturated by 10%, the color
#230697 is obtained.