The hex color #a40e8d is a dark color. The web-safe version is Hex
#990099. A complementary color is
#5BF172. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#D741C0, and Hex
#71005A is the 20% darker color. If the color is saturated by 10%, you get
#AA0590. If the color is desaturated by 10%, the color
#9E178A is obtained.