#409CFF Hex Color
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#409cff is a high-energy blue that commands attention through its intense saturation. It leans cool but maintains enough brightness to function as a powerful primary color. Because black text maintains a high 7.4:1 contrast ratio against this hue, it works effectively for bold calls to action and interface buttons. The hex code for this electric blue is #409cff, which is best reserved for 10 percent accents rather than full backgrounds.
Questions about #409cff
What is #409cff in RGB, HSL and CMYK?
In RGB, #409cff is rgb(64, 156, 255), in HSL hsl(211, 100%, 63%) and in CMYK 75%, 39%, 0%, 0%.
Where should I use #409cff in a user interface?
#409cff functions best as a purposeful accent color for primary call-to-action buttons or interactive elements rather than as a background. Since it is highly saturated, using it in small, targeted doses prevents visual fatigue while drawing user attention effectively.
What colors pair well with #409cff for a modern look?
Is #409cff readable on white or black?
#409cff has a 2.83:1 contrast ratio on white and 7.41:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.