The hex color #0178d4 is a dark color. The web-safe version is Hex
#0066CC. A complementary color is
#FE872B. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#34ABFF, and Hex
#0045A1 is the 20% darker color. If the color is saturated by 10%, you get
#0079DE. If the color is desaturated by 10%, the color
#0C77CA is obtained.