#359FFF Hex Color

A vivid and high-energy electric blue

Hex color #359fff graphic
#359fff is a bright, saturated blue with a clear, electric intensity. This vivid shade commands immediate attention, making it an excellent choice for high-visibility UI elements like calls to action. Because it carries so much energy, use it sparingly as a 10 percent accent rather than a full background color. Black text remains highly readable against this hex code, ensuring your designs stay accessible.

Questions about #359fff

What is #359fff in RGB, HSL and CMYK?
In RGB, #359fff is rgb(53, 159, 255), in HSL hsl(209, 100%, 60%) and in CMYK 79%, 38%, 0%, 0%.
How should #359fff be used in UI design?
Use #359fff as a strategic accent color at 10 percent intensity for buttons or calls to action rather than large background areas. This prevents the high-energy saturation from overwhelming the user and keeps your overall interface layout accessible.
Which colors pair well with the electric #359fff?
This blue works effectively against neutral bases like charcoal or deep slate, which ground its intensity. For high-contrast interfaces, pairing #359fff with crisp white text ensures maximum readability while maintaining a modern, tech-forward aesthetic for your digital project.
Is #359fff readable on white or black?
#359fff has a 2.77:1 contrast ratio on white and 7.55:1 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.