The hex color #a40a66 is a dark color. The web-safe version is Hex
#990066. A complementary color is
#5BF599. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#D73D99, and Hex
#710033 is the 20% darker color. If the color is saturated by 10%, you get
#AB0267. If the color is desaturated by 10%, the color
#9D1265 is obtained.