The hex color #a0323e is a dark color. The web-safe version is Hex
#993333. A complementary color is
#5FCDC1. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#D36571, and Hex
#6D000B is the 20% darker color. If the color is saturated by 10%, you get
#A72E3B. If the color is desaturated by 10%, the color
#993641 is obtained.