The hex color #3d6ad5 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C2952A. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#709DFF, and Hex
#0A37A2 is the 20% darker color. If the color is saturated by 10%, you get
#3668DE. If the color is desaturated by 10%, the color
#446CCC is obtained.