The hex color #ad2a10 is a dark color. The web-safe version is Hex
#993300. A complementary color is
#52D5EF. The grayscale version is
#4D4D4D. A 20% lighter version of the original color is
#E05D43, and Hex
#7A0000 is the 20% darker color. If the color is saturated by 10%, you get
#B7270A. If the color is desaturated by 10%, the color
#A32E16 is obtained.