The hex color #51196b is a dark color. The web-safe version is Hex
#660066. A complementary color is
#AEE694. The grayscale version is
#474747. A 20% lighter version of the original color is
#844C9E, and Hex
#1E0038 is the 20% darker color. If the color is saturated by 10%, you get
#52146F. If the color is desaturated by 10%, the color
#501E67 is obtained.