The hex color #0a65a0 is a dark color. The web-safe version is Hex
#006699. A complementary color is
#F59A5F. The grayscale version is
#5A5A5A. A 20% lighter version of the original color is
#3D98D3, and Hex
#00326D is the 20% darker color. If the color is saturated by 10%, you get
#0266A7. If the color is desaturated by 10%, the color
#126499 is obtained.