The hex color #a3083d is a dark color. The web-safe version is Hex
#990033. A complementary color is
#5CF7C2. The grayscale version is
#4D4D4D. A 20% lighter version of the original color is
#D63B70, and Hex
#70000A is the 20% darker color. If the color is saturated by 10%, you get
#AC013B. If the color is desaturated by 10%, the color
#9A0F3F is obtained.