#4578EF Hex Color
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Bright and strongly saturated, this cool blue has a slight violet cast that feels energetic and dependable. The hex code #4578ef suits call-to-action buttons, technology brands, finance dashboards, and security interfaces. Use it as a focused accent against navy or charcoal rather than a full-page background. Black text reaches about 5.2:1 contrast.
Questions about #4578ef
What is #4578ef in RGB, HSL and CMYK?
In RGB, #4578ef is rgb(69, 120, 239), in HSL hsl(222, 84%, 60%) and in CMYK 71%, 50%, 0%, 6%.
Does #4578ef look warm or cool?
#4578ef reads as a cool blue because its hue leans slightly toward violet rather than yellow. Its high saturation gives it an energetic, dependable feel, making it effective for focused accents, buttons, links, and interface highlights.
What colors pair well with #4578ef?
Is #4578ef readable on white or black?
#4578ef has a 4.04:1 contrast ratio on white and 5.18:1 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.