The hex color #756ebc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#8A9143. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#A8A1EF, and Hex
#423B89 is the 20% darker color. If the color is saturated by 10%, you get
#736BC1. If the color is desaturated by 10%, the color
#7771B7 is obtained.