The hex color #6d697c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#929683. The grayscale version is
#717171. A 20% lighter version of the original color is
#A09CAF, and Hex
#3A3649 is the 20% darker color. If the color is saturated by 10%, you get
#6D687D. If the color is desaturated by 10%, the color
#6D6A7B is obtained.