The hex color #a641b0 is a dark color. The web-safe version is Hex
#993399. A complementary color is
#59BE4F. The grayscale version is
#888888. A 20% lighter version of the original color is
#D974E3, and Hex
#730E7D is the 20% darker color. If the color is saturated by 10%, you get
#A93AB4. If the color is desaturated by 10%, the color
#A348AC is obtained.