The hex color #0b4fea is a dark color. The web-safe version is Hex
#0066FF. A complementary color is
#F4B015. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#3E82FF, and Hex
#001CB7 is the 20% darker color. If the color is saturated by 10%, you get
#014CF7. If the color is desaturated by 10%, the color
#1552DD is obtained.