The hex color #f3375e is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#0CC8A1. The grayscale version is
#838383. A 20% lighter version of the original color is
#FF6A91, and Hex
#C0042B is the 20% darker color. If the color is saturated by 10%, you get
#FE2F5A. If the color is desaturated by 10%, the color
#E83F62 is obtained.