#517DF7 Hex Color
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Bright and strongly saturated, #517df7 is a cool blue with a clean, slightly violet undertone. Its high energy suits calls to action, interface accents, and technology or finance branding better than a full-page background. Black text remains readable at about 5.6:1 contrast. The hex code #517df7 brings a bold, reliable edge to structured layouts.
Questions about #517df7
What is #517df7 in RGB, HSL and CMYK?
In RGB, #517df7 is rgb(81, 125, 247), in HSL hsl(224, 91%, 64%) and in CMYK 67%, 49%, 0%, 3%.
What colors pair well with #517df7?
#517df7 pairs well with white, charcoal, and cool gray for clean contrast, while warm orange or golden yellow accents create a complementary, energetic palette in interfaces, illustrations, and branded layouts.
Where does #517df7 work best in a design?
#517df7 works best as a vivid accent for buttons, links, active states, charts, and technology or finance interfaces, where its saturated blue draws attention without overwhelming the whole page layout.
Is #517df7 readable on white or black?
#517df7 has a 3.73:1 contrast ratio on white and 5.62:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.