The hex color #83647c is a dark color. The web-safe version is Hex
#996666. A complementary color is
#7C9B83. The grayscale version is
#767676. A 20% lighter version of the original color is
#B697AF, and Hex
#503149 is the 20% darker color. If the color is saturated by 10%, you get
#84627D. If the color is desaturated by 10%, the color
#82667B is obtained.