#3978B2 Hex Color

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Hex color #3978b2 graphic
Muted and cool, #3978b2 is a medium blue with soft gray undertones and restrained saturation. Its steady character supports trust, security, and reliability in finance, healthcare, technology, and government branding. Use the hex code #3978b2 as a supporting color or UI background. White text reaches about a 4.7:1 contrast ratio, meeting WCAG AA for body text.

Questions about #3978b2

What is #3978b2 in RGB, HSL and CMYK?
In RGB, #3978b2 is rgb(57, 120, 178), in HSL hsl(209, 51%, 46%) and in CMYK 68%, 33%, 0%, 30%.
What colors pair well with #3978b2?
#3978b2 pairs well with white, charcoal, warm sand, and muted orange accents, creating a composed palette that balances its cool blue base in digital interfaces and brand systems across applications. Use neutral backgrounds for calm layouts and reserve warmer accents for calls to action.
Is #3978b2 warm or cool?
#3978b2 reads as a cool, muted medium blue because its blue channel is dominant and its restrained saturation softens the overall effect for most applications and palettes and visual systems. The gray undertone makes it feel steady and practical rather than vivid or playful.
Is #3978b2 readable on white or black?
#3978b2 has a 4.66:1 contrast ratio on white and 4.50:1 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 for body text. Try other pairs in the contrast checker.