The hex color #6a556c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#95AA93. The grayscale version is
#646464. A 20% lighter version of the original color is
#9D889F, and Hex
#372239 is the 20% darker color. If the color is saturated by 10%, you get
#6B546D. If the color is desaturated by 10%, the color
#69566B is obtained.