The hex color #aa1e4f is a dark color. The web-safe version is Hex
#993366. A complementary color is
#55E1B0. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#DD5182, and Hex
#77001C is the 20% darker color. If the color is saturated by 10%, you get
#B2184E. If the color is desaturated by 10%, the color
#A22450 is obtained.