The hex color #0438df is a dark color. The web-safe version is Hex
#0033CC. A complementary color is
#FBC720. The grayscale version is
#5E5E5E. A 20% lighter version of the original color is
#376BFF, and Hex
#0005AC is the 20% darker color. If the color is saturated by 10%, you get
#0034EC. If the color is desaturated by 10%, the color
#0D3CD2 is obtained.