The hex color #00041e is a dark color. The web-safe version is Hex
#000033. A complementary color is
#FFFBE1. The grayscale version is
#0B0B0B. A 20% lighter version of the original color is
#333751, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#000320. If the color is desaturated by 10%, the color
#01051C is obtained.