The hex color #3aa7fb is a light color. The web-safe version is Hex
#3399FF. A complementary color is
#C55804. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#6DDAFF, and Hex
#0774C8 is the 20% darker color. If the color is saturated by 10%, you get
#30A8FF. If the color is desaturated by 10%, the color
#44A6F2 is obtained.