The hex color #0004aa is a dark color. The web-safe version is Hex
#000099. A complementary color is
#FFFB55. The grayscale version is
#3A3A3A. A 20% lighter version of the original color is
#3337DD, and Hex
#000077 is the 20% darker color. If the color is saturated by 10%, you get
#0000B5. If the color is desaturated by 10%, the color
#06099F is obtained.