The hex color #2d2e64 is a dark color. The web-safe version is Hex
#333366. A complementary color is
#D2D19B. The grayscale version is
#404040. A 20% lighter version of the original color is
#606197, and Hex
#000031 is the 20% darker color. If the color is saturated by 10%, you get
#2B2C68. If the color is desaturated by 10%, the color
#2F3060 is obtained.