#519FD9 Hex Color

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Hex color #519fd9 graphic
This mid-tone blue sits in a professional sweet spot between bright sky and deep navy. Because it feels reliable and secure, #519fd9 is a popular choice for finance and healthcare interfaces. The hex code offers excellent contrast against black text, making it a strong candidate for readable body copy. Pair it with soft, warm grays to prevent the coolness from feeling too sterile on screen.

Questions about #519fd9

What is #519fd9 in RGB, HSL and CMYK?
In RGB, #519fd9 is rgb(81, 159, 217), in HSL hsl(206, 64%, 58%) and in CMYK 63%, 27%, 0%, 15%.
What is the best way to pair #519fd9 in interface design?
Use #519fd9 as a primary action color alongside neutral charcoal or soft warm grays to maintain professional readability. Because this blue is quite vivid, avoid pairing it with other high-saturation primaries to prevent visual fatigue on your screen.
Does #519fd9 work well for long-form body text?
This shade is generally too saturated for long-form body text and can cause eye strain when read in large blocks. It is best reserved for UI buttons, primary navigation, or interactive elements where its reliability serves to guide the user's attention.
Is #519fd9 readable on white or black?
#519fd9 has a 2.87:1 contrast ratio on white and 7.31:1 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.