#0064FF Hex Color
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#0064ff is a high-intensity, electric shade that demands immediate attention. Due to its extreme saturation, it works best as a deliberate accent or call-to-action button rather than a background color, where it can easily overwhelm the eye. Pair it with crisp white text to maintain legible contrast. This bold blue hex code brings a strong sense of technical reliability to digital interfaces.
Questions about #0064ff
What is #0064ff in RGB, HSL and CMYK?
In RGB, #0064ff is rgb(0, 100, 255), in HSL hsl(216, 100%, 50%) and in CMYK 100%, 61%, 0%, 0%.
Is #0064ff suitable for use as a background color?
Using #0064ff as a full background usually overwhelms the user because of its extreme saturation and intensity. It performs significantly better as a deliberate, punchy accent or a primary call-to-action button against neutral backgrounds like charcoal or crisp white.
Is #0064ff readable on white or black?
#0064ff has a 4.92:1 contrast ratio on white and 4.26:1 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.