The hex color #a15bb2 is a dark color. The web-safe version is Hex
#996699. A complementary color is
#5EA44D. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#D48EE5, and Hex
#6E287F is the 20% darker color. If the color is saturated by 10%, you get
#A356B5. If the color is desaturated by 10%, the color
#9F60AF is obtained.