The hex color #0b40dd is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#F4BF22. The grayscale version is
#636363. A 20% lighter version of the original color is
#3E73FF, and Hex
#000DAA is the 20% darker color. If the color is saturated by 10%, you get
#023DE9. If the color is desaturated by 10%, the color
#1443D1 is obtained.