The hex color #2d76d4 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D2892B. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#60A9FF, and Hex
#0043A1 is the 20% darker color. If the color is saturated by 10%, you get
#2575DD. If the color is desaturated by 10%, the color
#3577CB is obtained.