The hex color #25558c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#DAAA73. The grayscale version is
#575757. A 20% lighter version of the original color is
#5888BF, and Hex
#002259 is the 20% darker color. If the color is saturated by 10%, you get
#205591. If the color is desaturated by 10%, the color
#2A5587 is obtained.