The hex color #ff1f45 is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#00E0BA. The grayscale version is
#767676. A 20% lighter version of the original color is
#FF5278, and Hex
#CC0012 is the 20% darker color. If the color is saturated by 10%, you get
#FF1640. If the color is desaturated by 10%, the color
#F1284A is obtained.