The hex color #1d3c35 is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E2C3CA. The grayscale version is
#2F2F2F. A 20% lighter version of the original color is
#506F68, and Hex
#000902 is the 20% darker color. If the color is saturated by 10%, you get
#1B3D36. If the color is desaturated by 10%, the color
#1F3B34 is obtained.