The hex color #2e56a0 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#D1A95F. The grayscale version is
#616161. A 20% lighter version of the original color is
#6189D3, and Hex
#00236D is the 20% darker color. If the color is saturated by 10%, you get
#2955A6. If the color is desaturated by 10%, the color
#33579A is obtained.