The hex color #cf5b5e is a dark color. The web-safe version is Hex
#CC6666. A complementary color is
#30A4A1. The grayscale version is
#838383. A 20% lighter version of the original color is
#FF8E91, and Hex
#9C282B is the 20% darker color. If the color is saturated by 10%, you get
#D7575A. If the color is desaturated by 10%, the color
#C75F62 is obtained.