The hex color #3f85fc is a dark color. The web-safe version is Hex
#3399FF. A complementary color is
#C07A03. The grayscale version is
#959595. A 20% lighter version of the original color is
#72B8FF, and Hex
#0C52C9 is the 20% darker color. If the color is saturated by 10%, you get
#3683FF. If the color is desaturated by 10%, the color
#4887F2 is obtained.