The hex color #00044d is a dark color. The web-safe version is Hex
#000066. A complementary color is
#FFFBB2. The grayscale version is
#1B1B1B. A 20% lighter version of the original color is
#333780, and Hex
#00001A is the 20% darker color. If the color is saturated by 10%, you get
#000252. If the color is desaturated by 10%, the color
#030648 is obtained.