#659DF7 Hex Color

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Hex color #659df7 graphic
This cool, saturated sky blue commands attention without being aggressive. It functions best as a bright UI accent or a primary branding color for tech and finance products that need to project reliability. Because black text maintains strong contrast against it, you can safely use it for smaller UI elements. The hex code for this shade is #659df7.

Questions about #659df7

What is #659df7 in RGB, HSL and CMYK?
In RGB, #659df7 is rgb(101, 157, 247), in HSL hsl(217, 90%, 68%) and in CMYK 59%, 36%, 0%, 3%.
What makes #659df7 effective for user interface design?
The high saturation of #659df7 makes it a standout choice for call-to-action buttons or primary navigation links. Because it maintains strong legibility against dark backgrounds, it functions reliably for small UI elements without losing clarity or impact on screen.
Which colors create a balanced palette with #659df7?
This sky blue pairs beautifully with a deep charcoal for high-contrast, professional text combinations. For a softer look, it balances well against neutral slate grays or creates a vibrant, modern tech aesthetic when contrasted with a subtle coral accent.
Is #659df7 readable on white or black?
#659df7 has a 2.72:1 contrast ratio on white and 7.71:1 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.