The hex color #2d367f is a dark color. The web-safe version is Hex
#333366. A complementary color is
#D2C980. The grayscale version is
#4B4B4B. A 20% lighter version of the original color is
#6069B2, and Hex
#00034C is the 20% darker color. If the color is saturated by 10%, you get
#2A3484. If the color is desaturated by 10%, the color
#30387A is obtained.