The hex color #b53f5c is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#4AC0A3. The grayscale version is
#707070. A 20% lighter version of the original color is
#E8728F, and Hex
#820C29 is the 20% darker color. If the color is saturated by 10%, you get
#BC3A5A. If the color is desaturated by 10%, the color
#AE445E is obtained.