The hex color #a780db is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#587F24. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#DAB3FF, and Hex
#744DA8 is the 20% darker color. If the color is saturated by 10%, you get
#A77CE0. If the color is desaturated by 10%, the color
#A784D6 is obtained.