The hex color #2f73b8 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D08C47. The grayscale version is
#737373. A 20% lighter version of the original color is
#62A6EB, and Hex
#004085 is the 20% darker color. If the color is saturated by 10%, you get
#2873BF. If the color is desaturated by 10%, the color
#3673B1 is obtained.