The hex color #2f4283 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D0BD7C. The grayscale version is
#515151. A 20% lighter version of the original color is
#6275B6, and Hex
#000F50 is the 20% darker color. If the color is saturated by 10%, you get
#2C4088. If the color is desaturated by 10%, the color
#32447E is obtained.