The hex color #c33c40 is a dark color. The web-safe version is Hex
#CC3333. A complementary color is
#3CC3BF. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#F66F73, and Hex
#90090D is the 20% darker color. If the color is saturated by 10%, you get
#CC373C. If the color is desaturated by 10%, the color
#BA4144 is obtained.