The hex color #1c65a0 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#E39A5F. The grayscale version is
#606060. A 20% lighter version of the original color is
#4F98D3, and Hex
#00326D is the 20% darker color. If the color is saturated by 10%, you get
#1565A6. If the color is desaturated by 10%, the color
#23659A is obtained.