The hex color #c4345d is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#3BCBA2. The grayscale version is
#727272. A 20% lighter version of the original color is
#F76790, and Hex
#91012A is the 20% darker color. If the color is saturated by 10%, you get
#CC2E5B. If the color is desaturated by 10%, the color
#BC3A5F is obtained.