The hex color #0a2c6c is a dark color. The web-safe version is Hex
#003366. A complementary color is
#F5D393. The grayscale version is
#363636. A 20% lighter version of the original color is
#3D5F9F, and Hex
#000039 is the 20% darker color. If the color is saturated by 10%, you get
#062B71. If the color is desaturated by 10%, the color
#0E2D67 is obtained.