The hex color #3669C3 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#C9963C. The grayscale version is
#767676. A 20% lighter version of the original color is
#699CF6, and Hex
#033690 is the 20% darker color. If the color is saturated by 10%, you get
#3068CB. If the color is desaturated by 10%, the color
#3C6ABB is obtained.