#3783D5 Hex Color
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#3783d5 is a fairly saturated, cool blue with a clean, controlled feel and slight cyan undertones. Its steady appearance supports trust and reliability in finance, healthcare, technology, and government branding. Use it as a supporting tone beside navy or warm gray. Black text remains readable at about a 5.4:1 contrast ratio. The hex code is #3783d5.
Questions about #3783d5
What is #3783d5 in RGB, HSL and CMYK?
In RGB, #3783d5 is rgb(55, 131, 213), in HSL hsl(211, 65%, 53%) and in CMYK 74%, 38%, 0%, 16%.
Is #3783d5 a warm or cool blue?
#3783d5 is a cool, fairly saturated blue with slight cyan undertones, giving it a clean and controlled appearance rather than a warm or violet cast. It works well when a palette needs a steady, trustworthy tone.
What colors pair well with #3783d5?
#3783d5 pairs well with navy, warm gray, and white, while charcoal provides a softer dark contrast than black, balancing its cool cyan cast for interfaces and branding that need a clear, dependable visual hierarchy.
Is #3783d5 readable on white or black?
#3783d5 has a 3.91:1 contrast ratio on white and 5.36:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.