The hex color #0d353c is a dark color. The web-safe version is Hex
#003333. A complementary color is
#F2CAC3. The grayscale version is
#2A2A2A. A 20% lighter version of the original color is
#40686F, and Hex
#000209 is the 20% darker color. If the color is saturated by 10%, you get
#0A363E. If the color is desaturated by 10%, the color
#10343A is obtained.