#5579FC Hex Color
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#5579fc is an intense, high-chroma blue that demands immediate attention. Because of its high energy, this hue functions best as a 10% accent or call-to-action button rather than a primary background. It maintains a 5.5:1 contrast ratio against black text, ensuring clear readability. Designers often select this hex code for tech and financial interfaces that require a reliable but vivid visual anchor.
Questions about #5579fc
What is #5579fc in RGB, HSL and CMYK?
In RGB, #5579fc is rgb(85, 121, 252), in HSL hsl(227, 97%, 66%) and in CMYK 66%, 52%, 0%, 1%.
Why is #5579fc better for accents than full backgrounds?
Because #5579fc is an intense, high-chroma blue, it creates visual fatigue when used in large blocks. It is much more effective as a 10% accent or call-to-action button to direct user attention exactly where you need it most.
What kind of color schemes work well with #5579fc?
This shade of blue pairs effectively with charcoal or deep neutral grays to keep the interface grounded. Because the hue is so vivid, it works best when balanced against muted, desaturated tones that allow the blue to stand out without competing for visual hierarchy.
Is #5579fc readable on white or black?
#5579fc has a 3.79:1 contrast ratio on white and 5.52:1 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.