The hex color #38475e is a dark color. The web-safe version is Hex
#333366. A complementary color is
#C7B8A1. The grayscale version is
#4A4A4A. A 20% lighter version of the original color is
#6B7A91, and Hex
#05142B is the 20% darker color. If the color is saturated by 10%, you get
#364760. If the color is desaturated by 10%, the color
#3A475C is obtained.