The hex color #342e4f is a dark color. The web-safe version is Hex
#333366. A complementary color is
#CBD1B0. The grayscale version is
#3B3B3B. A 20% lighter version of the original color is
#676182, and Hex
#01001C is the 20% darker color. If the color is saturated by 10%, you get
#332D51. If the color is desaturated by 10%, the color
#352F4D is obtained.