#388FDE Hex Color
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This bright, saturated blue commands immediate attention without feeling aggressive. Often found in corporate security and technology branding, the hex code #388fde works best as a primary action color or button state rather than a large background. It pairs exceptionally well with charcoal grays and off-whites. If you are struggling to ground its intensity, learning how to make gray can help you create balanced, neutral complements.
Questions about #388fde
What is #388fde in RGB, HSL and CMYK?
In RGB, #388fde is rgb(56, 143, 222), in HSL hsl(209, 72%, 55%) and in CMYK 75%, 36%, 0%, 13%.
What colors pair well with #388fde for UI design?
#388fde works effectively when balanced against deep charcoal or soft off-white backgrounds. Because this blue carries a high level of intensity, pairing it with neutral, desaturated tones helps ground the color without losing its professional, technology-focused appeal.
Is #388fde readable on white or black?
#388fde has a 3.41:1 contrast ratio on white and 6.15:1 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.