#3F83EA Hex Color
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Bright and strongly saturated, #3f83ea is a cool blue with a clear, slightly violet cast. Its high chroma brings energy and attention to calls to action, technology interfaces, and security-focused branding. Use it as a small accent or supporting tone beside navy and warm off-white. As a hex code, it also supports black body text at about 5.6:1 contrast.
Questions about #3f83ea
What is #3f83ea in RGB, HSL and CMYK?
In RGB, #3f83ea is rgb(63, 131, 234), in HSL hsl(216, 80%, 58%) and in CMYK 73%, 44%, 0%, 8%.
What colors pair well with #3f83ea in interface design?
#3f83ea pairs well with navy for a more grounded interface, while warm off-white adds contrast without the starkness of pure white. Use the blue for buttons or small panels, then let neutral surfaces carry most of the layout.
Is #3f83ea readable on white or black?
#3f83ea has a 3.71:1 contrast ratio on white and 5.64:1 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.