#3399F7 Hex Color
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#3399f7 is a high-octane, saturated blue that demands attention without feeling aggressive. Its intensity makes it a standout choice for calls to action or UI highlights where you need immediate user focus. Avoid using this hue as a full background, as its brightness can fatigue the eye. Instead, pair it against deep charcoal or slate greys to create a balanced, professional contrast.
Questions about #3399f7
What is #3399f7 in RGB, HSL and CMYK?
In RGB, #3399f7 is rgb(51, 153, 247), in HSL hsl(209, 92%, 58%) and in CMYK 79%, 38%, 0%, 3%. Browse more shades of blue with names and hex codes.
Where should I use #3399f7 in my UI design?
#3399f7 works best as a deliberate accent color for primary call-to-action buttons, notification badges, or interactive links. Avoid using it as a large background fill, as its high intensity can quickly fatigue the eye during extended reading sessions.
What colors pair well with #3399f7?
Pair #3399f7 against deep charcoal or slate greys to create a balanced, professional contrast that tames its brightness. Using it alongside neutral tones helps anchor the vibrancy, ensuring the blue pops without overwhelming the overall layout.
Is #3399f7 readable on white or black?
#3399f7 has a 2.98:1 contrast ratio on white and 7.04:1 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.