The hex color #3b82b9 is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#C47D46. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#6EB5EC, and Hex
#084F86 is the 20% darker color. If the color is saturated by 10%, you get
#3483BF. If the color is desaturated by 10%, the color
#4281B3 is obtained.