The hex color #a0138e is a dark color. The web-safe version is Hex
#990099. A complementary color is
#5FEC71. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#D346C1, and Hex
#6D005B is the 20% darker color. If the color is saturated by 10%, you get
#A50A92. If the color is desaturated by 10%, the color
#9B1C8B is obtained.