The hex color #10458c is a dark color. The web-safe version is Hex
#003399. A complementary color is
#EFBA73. The grayscale version is
#4B4B4B. A 20% lighter version of the original color is
#4378BF, and Hex
#001259 is the 20% darker color. If the color is saturated by 10%, you get
#0A4493. If the color is desaturated by 10%, the color
#164686 is obtained.