The hex color #0b83e2 is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#F47C1D. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#3EB6FF, and Hex
#0050AF is the 20% darker color. If the color is saturated by 10%, you get
#0084EC. If the color is desaturated by 10%, the color
#1682D8 is obtained.