The hex color #2d90c5 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#D26F3A. The grayscale version is
#818181. A 20% lighter version of the original color is
#60C3F8, and Hex
#005D92 is the 20% darker color. If the color is saturated by 10%, you get
#2592CC. If the color is desaturated by 10%, the color
#358EBE is obtained.