The hex color #253670 is a dark color. The web-safe version is Hex
#333366. A complementary color is
#DAC98F. The grayscale version is
#444444. A 20% lighter version of the original color is
#5869A3, and Hex
#00033D is the 20% darker color. If the color is saturated by 10%, you get
#223574. If the color is desaturated by 10%, the color
#28376C is obtained.