The hex color #aa413f is a dark color. The web-safe version is Hex
#993333. A complementary color is
#55BEC0. The grayscale version is
#636363. A 20% lighter version of the original color is
#DD7472, and Hex
#770E0C is the 20% darker color. If the color is saturated by 10%, you get
#B13E3B. If the color is desaturated by 10%, the color
#A34443 is obtained.