#3858E9 Hex Color
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This saturated, electric blue commands immediate attention without feeling aggressive. Its high intensity makes #3858e9 an excellent choice for call-to-action buttons or highlights in tech and finance interfaces where reliability is key. While it provides strong contrast against white for accessibility, it can overwhelm large background spaces. Use it as a 10% accent color to inject excitement into otherwise neutral palettes.
Questions about #3858e9
What is #3858e9 in RGB, HSL and CMYK?
In RGB, #3858e9 is rgb(56, 88, 233), in HSL hsl(229, 80%, 57%) and in CMYK 76%, 62%, 0%, 9%.
When should I use #3858e9 in my interface design?
Use #3858e9 as a high-impact accent color for primary call-to-action buttons or navigation highlights rather than as a background. Its high saturation commands attention, making it ideal for drawing the user's eye to critical elements on neutral white or charcoal layouts.
What colors pair well with #3858e9?
This blue pairs beautifully with crisp white to maintain readability, or with muted slate grays to soften its electric intensity. For a more dynamic palette, try combining it with a warm orange to create high-contrast, complementary visual interest across your UI components.
Is #3858e9 readable on white or black?
#3858e9 has a 5.61:1 contrast ratio on white and 3.74:1 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.