#3E66CE Hex Color
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A saturated, mid-tone blue with a cool, slightly violet undertone, #3e66ce brings strong energy without looking neon. Its vivid character suits call-to-action buttons, finance dashboards, technology branding, and security interfaces. Use it as a focused accent with cool gray or warm amber. The hex code #3e66ce supports white body text at about 5.3:1 contrast.
Questions about #3e66ce
What is #3e66ce in RGB, HSL and CMYK?
In RGB, #3e66ce is rgb(62, 102, 206), in HSL hsl(223, 60%, 53%) and in CMYK 70%, 50%, 0%, 19%. Browse more shades of blue with names and hex codes.
Is #3e66ce warm or cool, and what colors pair with it?
It reads as a cool blue because its violet undertone shifts it away from green, while cool gray creates a restrained pairing and warm amber adds contrast without making the blue look neon.
Is #3e66ce readable on white or black?
#3e66ce has a 5.25:1 contrast ratio on white and 3.99:1 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.