The hex color #0002a3 is a dark color. The web-safe version is Hex
#000099. A complementary color is
#FFFD5C. The grayscale version is
#373737. A 20% lighter version of the original color is
#3335D6, and Hex
#000070 is the 20% darker color. If the color is saturated by 10%, you get
#0000AE. If the color is desaturated by 10%, the color
#060798 is obtained.