The hex color #a257e7 is a dark color. The web-safe version is Hex
#9966FF. A complementary color is
#5DA818. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#D58AFF, and Hex
#6F24B4 is the 20% darker color. If the color is saturated by 10%, you get
#A250EE. If the color is desaturated by 10%, the color
#A25EE0 is obtained.