The hex color #cc3d3d is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#33C2C2. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#FF7070, and Hex
#990A0A is the 20% darker color. If the color is saturated by 10%, you get
#D63838. If the color is desaturated by 10%, the color
#C24242 is obtained.