The hex color #840c8c is a dark color. The web-safe version is Hex
#990099. A complementary color is
#7BF373. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#B73FBF, and Hex
#510059 is the 20% darker color. If the color is saturated by 10%, you get
#880491. If the color is desaturated by 10%, the color
#801487 is obtained.