The hex color #1b86cf is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#E47930. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#4EB9FF, and Hex
#00539C is the 20% darker color. If the color is saturated by 10%, you get
#1187D7. If the color is desaturated by 10%, the color
#2585C7 is obtained.