Blue color chart Color swatches and hexadecimal code for the pure blues The last two hexadecimal integers control the blues. The pure blues are: 0000ff, 0000cc, 000099, 000066 and 000033   0000ff   0000cc   000099   000066   000033 Other color charts the html color chart shows all the browser safe colors the jpg color chart shows the standard RGB (red green blue) values as well as the hex values the reds alone the greens alone the grays alone Also, the Html color code tester allows you to preview every color