#3FD5EC Hex Color
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#3fd5ec is a high-saturation cyan that leans slightly cool with a bright, luminous finish. Because it carries significant chroma, this shade works best as an accent rather than a full-page background, where it can easily overwhelm the eye. It pairs cleanly with charcoal grays for a modern tech aesthetic. Black text provides excellent readability against this bright hex code.
Questions about #3fd5ec
What is #3fd5ec in RGB, HSL and CMYK?
In RGB, #3fd5ec is rgb(63, 213, 236), in HSL hsl(188, 82%, 59%) and in CMYK 73%, 10%, 0%, 7%.
How can I best use #3fd5ec in a design interface?
#3fd5ec is an intense, high-energy hue that works best as an accent color for call-to-action buttons, links, or notification highlights rather than a main background. It pairs exceptionally well with deep charcoal or near-black text to ensure high readability and visual balance.
Does #3fd5ec have cool or warm undertones?
#3fd5ec reads definitively cool, sitting squarely in the bright cyan spectrum. Because it lacks warm yellow or red undertones, it maintains a crisp, icy, and luminous quality that feels clean and modern, making it a popular choice for technology or software branding.
Is #3fd5ec readable on white or black?
#3fd5ec has a 1.75:1 contrast ratio on white and 11.94:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.