The hex color #ff3f7d is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#00C082. The grayscale version is
#949494. A 20% lighter version of the original color is
#FF72B0, and Hex
#CC0C4A is the 20% darker color. If the color is saturated by 10%, you get
#FF377B. If the color is desaturated by 10%, the color
#F4477F is obtained.