The hex color #3b84ad is a dark color. The web-safe version is Hex
#339999. A complementary color is
#C47B52. The grayscale version is
#797979. A 20% lighter version of the original color is
#6EB7E0, and Hex
#08517A is the 20% darker color. If the color is saturated by 10%, you get
#3585B2. If the color is desaturated by 10%, the color
#4183A8 is obtained.