The hex color #745f6c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#8BA093. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#A7929F, and Hex
#412C39 is the 20% darker color. If the color is saturated by 10%, you get
#755E6C. If the color is desaturated by 10%, the color
#73606C is obtained.