#3879D6 Hex Color
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#3879d6 is a saturated, cool blue with strong brightness and a clear, energetic presence. This hex code suits calls to action, security interfaces, finance, technology, and healthcare branding. Use it as a focused accent or primary button color rather than a full-page background. Black text reaches about 4.9:1 contrast, enough for WCAG AA body text.
Questions about #3879d6
What is #3879d6 in RGB, HSL and CMYK?
In RGB, #3879d6 is rgb(56, 121, 214), in HSL hsl(215, 66%, 53%) and in CMYK 74%, 43%, 0%, 16%.
What colors pair well with #3879d6?
#3879d6 pairs well with charcoal, warm white, and muted orange because their softer or warmer qualities balance its high saturation without competing for attention across interface and identity work. Use charcoal for grounded layouts, warm white for clean space, and orange sparingly for action cues.
Is #3879d6 readable on white or black?
#3879d6 has a 4.30:1 contrast ratio on white and 4.87:1 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.