#00A4E4 Hex Color
Vibrant sky blue for professional digital clarity
This highly saturated sky blue radiates professional clarity and is a frequent choice for finance and tech branding. Because #00a4e4 has high visual intensity, it serves best as an accent color to guide user attention rather than a full page background. It pairs exceptionally well with stark black text for high legibility. If you need to experiment with mixing blue, this hex code is an ideal reference point.
Questions about #00a4e4
What is #00a4e4 in RGB, HSL and CMYK?
In RGB, #00a4e4 is rgb(0, 164, 228), in HSL hsl(197, 100%, 45%) and in CMYK 100%, 28%, 0%, 11%.
Where should I use #00a4e4 in a layout?
#00a4e4 works best as an intentional accent color rather than a primary background shade due to its high saturation. Use it for call-to-action buttons, active navigation links, or data visualizations where you need to guide the user eye effectively.
Is #00a4e4 readable on white or black?
#00a4e4 has a 2.82:1 contrast ratio on white and 7.43:1 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.