The hex color #0b84d3 is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#F47B2C. The grayscale version is
#767676. A 20% lighter version of the original color is
#3EB7FF, and Hex
#0051A0 is the 20% darker color. If the color is saturated by 10%, you get
#0085DC. If the color is desaturated by 10%, the color
#1683CA is obtained.