The hex color #6c6a8c is a dark color. The web-safe version is Hex
#666699. A complementary color is
#939573. The grayscale version is
#767676. A 20% lighter version of the original color is
#9F9DBF, and Hex
#393759 is the 20% darker color. If the color is saturated by 10%, you get
#6B698E. If the color is desaturated by 10%, the color
#6D6B8A is obtained.