The hex color #236f98 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#DC9067. The grayscale version is
#636363. A 20% lighter version of the original color is
#56A2CB, and Hex
#003C65 is the 20% darker color. If the color is saturated by 10%, you get
#1D709D. If the color is desaturated by 10%, the color
#296E93 is obtained.