The hex color #b42f70 is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#4BD08F. The grayscale version is
#717171. A 20% lighter version of the original color is
#E762A3, and Hex
#81003D is the 20% darker color. If the color is saturated by 10%, you get
#BB2870. If the color is desaturated by 10%, the color
#AD3670 is obtained.