The hex color #0d154c is a dark color. The web-safe version is Hex
#000033. A complementary color is
#F2EAB3. The grayscale version is
#252525. A 20% lighter version of the original color is
#40487F, and Hex
#000019 is the 20% darker color. If the color is saturated by 10%, you get
#0B1350. If the color is desaturated by 10%, the color
#0F1748 is obtained.