The hex color #2f63db is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D09C24. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#6296FF, and Hex
#0030A8 is the 20% darker color. If the color is saturated by 10%, you get
#2861E5. If the color is desaturated by 10%, the color
#3665D1 is obtained.