#217B99 Hex Color
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This cool, mid-tone cyan feels professional and grounded. Because #217b99 has moderate saturation, it functions well as a reliable brand color for tech or aerospace UI. It pairs effectively with high-contrast white text, which meets accessibility standards for body copy. Avoid using it as a dominant background in large areas, as its intensity works better as a secondary accent or primary button color.
Questions about #217b99
What is #217b99 in RGB, HSL and CMYK?
In RGB, #217b99 is rgb(33, 123, 153), in HSL hsl(195, 65%, 36%) and in CMYK 78%, 20%, 0%, 40%.
What makes #217b99 effective for user interface design?
The moderate saturation of #217b99 ensures it remains readable when paired with white text, meeting accessibility standards for button labels. Its stable, cool tone feels trustworthy, making it a reliable choice for tech or aerospace dashboard elements.
Which colors pair best with #217b99 for a balanced palette?
Is #217b99 readable on white or black?
#217b99 has a 4.81:1 contrast ratio on white and 4.35:1 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.