#3F6389 Hex Color
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Muted and shadowed, this blue sits low on both saturation and brightness, which gives it a grayed, steely cast. The hex code #3f6389 works best as a supporting tone in finance, tech, or government layouts. White text passes AA contrast against it at about 6.3:1, and a muted coral keeps it from reading flat.
Questions about #3f6389
What is #3f6389 in RGB, HSL and CMYK?
In RGB, #3f6389 is rgb(63, 99, 137), in HSL hsl(211, 37%, 39%) and in CMYK 54%, 28%, 0%, 46%.
What colors pair well with #3f6389?
Warm muted tones like terracotta, dusty rose, and soft cream balance its cool gray undertone. Avoid bright saturated hues, which make this dim blue look duller than it is.
Is #3f6389 readable on white or black?
#3f6389 has a 6.25:1 contrast ratio on white and 3.35:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.