The hex color #0A00A8 is a dark color. The web-safe version is Hex
#000099. A complementary color is
#F5FF57. The grayscale version is
#3B3B3B. A 20% lighter version of the original color is
#3D33DB, and Hex
#000075 is the 20% darker color. If the color is saturated by 10%, you get
#0500B3. If the color is desaturated by 10%, the color
#0F069D is obtained.