The hex color #0003c5 is a dark color. The web-safe version is Hex
#0000CC. A complementary color is
#FFFC3A. The grayscale version is
#434343. A 20% lighter version of the original color is
#3336F8, and Hex
#000092 is the 20% darker color. If the color is saturated by 10%, you get
#0000D2. If the color is desaturated by 10%, the color
#0709B8 is obtained.