The hex color #063c5c is a dark color. The web-safe version is Hex
#003366. A complementary color is
#F9C3A3. The grayscale version is
#353535. A 20% lighter version of the original color is
#396F8F, and Hex
#000929 is the 20% darker color. If the color is saturated by 10%, you get
#013D60. If the color is desaturated by 10%, the color
#0B3B58 is obtained.