The hex color #4313a0 is a dark color. The web-safe version is Hex
#330099. A complementary color is
#BCEC5F. The grayscale version is
#525252. A 20% lighter version of the original color is
#7646D3, and Hex
#10006D is the 20% darker color. If the color is saturated by 10%, you get
#420DA8. If the color is desaturated by 10%, the color
#451998 is obtained.