The hex color #1c293a is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E3D6C5. The grayscale version is
#2A2A2A. A 20% lighter version of the original color is
#4F5C6D, and Hex
#000007 is the 20% darker color. If the color is saturated by 10%, you get
#1B293C. If the color is desaturated by 10%, the color
#1D2938 is obtained.