#F8F9FF Hex Color
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This off-white shade carries a subtle, cool blue undertone that feels fresher than standard white. Because it maintains high contrast ratios with black text, it functions as an ideal, readable UI background. Avoid using it alongside bright, pure whites, as it can appear slightly muddy by comparison. The hex code for this neutral tone is #f8f9ff. It pairs best with deep navy or charcoal accents.
Questions about #f8f9ff
What is #f8f9ff in RGB, HSL and CMYK?
In RGB, #f8f9ff is rgb(248, 249, 255), in HSL hsl(231, 100%, 99%) and in CMYK 3%, 2%, 0%, 0%.
Why use #f8f9ff instead of pure white?
#f8f9ff provides a softer, more sophisticated look for web interfaces that reduces eye strain compared to harsh, pure whites. The slight blue undertone prevents the page from appearing flat while maintaining the clean, high-contrast readability required for professional user interface design.
What colors pair best with #f8f9ff?
Is #f8f9ff readable on white or black?
#f8f9ff has a 1.05:1 contrast ratio on white and 19.98:1 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.