The hex color #b6316c is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#49CE93. The grayscale version is
#717171. A 20% lighter version of the original color is
#E9649F, and Hex
#830039 is the 20% darker color. If the color is saturated by 10%, you get
#BD2B6C. If the color is desaturated by 10%, the color
#AF376D is obtained.