The hex color #2c448c is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D3BB73. The grayscale version is
#545454. A 20% lighter version of the original color is
#5F77BF, and Hex
#001159 is the 20% darker color. If the color is saturated by 10%, you get
#284292. If the color is desaturated by 10%, the color
#304686 is obtained.