The hex color #a345d0 is a dark color. The web-safe version is Hex
#9933CC. A complementary color is
#5CBA2F. The grayscale version is
#939393. A 20% lighter version of the original color is
#D678FF, and Hex
#70129D is the 20% darker color. If the color is saturated by 10%, you get
#A53DD6. If the color is desaturated by 10%, the color
#A14DCA is obtained.