#3566F3 Hex Color
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#3566f3 is a vivid, highly saturated blue with a cool, slightly violet undertone. Its bright intensity signals energy and confidence, making it effective for calls to action, technology brands, finance dashboards, and security interfaces. Use it as an accent or dominant brand color, with white text for about 4.8:1 contrast. The hex code is #3566f3.
Questions about #3566f3
What is #3566f3 in RGB, HSL and CMYK?
In RGB, #3566f3 is rgb(53, 102, 243), in HSL hsl(225, 89%, 58%) and in CMYK 78%, 58%, 0%, 5%. Browse more shades of blue with names and hex codes.
What colors pair well with #3566f3?
Is #3566f3 a warm or cool color?
#3566f3 reads as a cool color because its saturated blue base carries a slight violet undertone, giving interfaces a crisp, energetic character that suits technology, security, and finance more naturally than warm, earthy palettes.
Is #3566f3 readable on white or black?
#3566f3 has a 4.83:1 contrast ratio on white and 4.34:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.