The hex color #6b4d6a is a dark color. The web-safe version is Hex
#666666. A complementary color is
#94B295. The grayscale version is
#616161. A 20% lighter version of the original color is
#9E809D, and Hex
#381A37 is the 20% darker color. If the color is saturated by 10%, you get
#6C4B6B. If the color is desaturated by 10%, the color
#6A4F69 is obtained.