The hex color #00047c is a dark color. The web-safe version is Hex
#000066. A complementary color is
#FFFB83. The grayscale version is
#2B2B2B. A 20% lighter version of the original color is
#3337AF, and Hex
#000049 is the 20% darker color. If the color is saturated by 10%, you get
#000084. If the color is desaturated by 10%, the color
#040874 is obtained.