The hex color #1b209f is a dark color. The web-safe version is Hex
#333399. A complementary color is
#E4DF60. The grayscale version is
#494949. A 20% lighter version of the original color is
#4E53D2, and Hex
#00006C is the 20% darker color. If the color is saturated by 10%, you get
#161CA8. If the color is desaturated by 10%, the color
#202496 is obtained.