The hex color #a15bc5 is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#5EA43A. The grayscale version is
#969696. A 20% lighter version of the original color is
#D48EF8, and Hex
#6E2892 is the 20% darker color. If the color is saturated by 10%, you get
#A255CA. If the color is desaturated by 10%, the color
#A061C0 is obtained.