The hex color #0a42db is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#F5BD24. The grayscale version is
#626262. A 20% lighter version of the original color is
#3D75FF, and Hex
#000FA8 is the 20% darker color. If the color is saturated by 10%, you get
#013FE7. If the color is desaturated by 10%, the color
#1345CF is obtained.