The hex color #ff355f is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#00CAA0. The grayscale version is
#868686. A 20% lighter version of the original color is
#FF6892, and Hex
#CC022C is the 20% darker color. If the color is saturated by 10%, you get
#FF2D5B. If the color is desaturated by 10%, the color
#F33D63 is obtained.