The hex color #ff3d78 is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#00C287. The grayscale version is
#919191. A 20% lighter version of the original color is
#FF70AB, and Hex
#CC0A45 is the 20% darker color. If the color is saturated by 10%, you get
#FF3575. If the color is desaturated by 10%, the color
#F4457B is obtained.