The hex color #c3573f is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#3CA8C0. The grayscale version is
#737373. A 20% lighter version of the original color is
#F68A72, and Hex
#90240C is the 20% darker color. If the color is saturated by 10%, you get
#CB543A. If the color is desaturated by 10%, the color
#BB5A44 is obtained.