The hex color #0278cc is a dark color. The web-safe version is Hex
#0066CC. A complementary color is
#FD8733. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#35ABFF, and Hex
#004599 is the 20% darker color. If the color is saturated by 10%, you get
#0079D6. If the color is desaturated by 10%, the color
#0D77C2 is obtained.