The hex color #2f49b0 is a dark color. The web-safe version is Hex
#333399. A complementary color is
#D0B64F. The grayscale version is
#636363. A 20% lighter version of the original color is
#627CE3, and Hex
#00167D is the 20% darker color. If the color is saturated by 10%, you get
#2A46B8. If the color is desaturated by 10%, the color
#344CA8 is obtained.