#3B7397 Hex Color

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Hex color #3b7397 graphic
Muted and cool, #3b7397 is a medium-dark blue with gray undertones and restrained saturation. Its steady appearance supports brands focused on trust, security, finance, healthcare, and technology. Use it as a supporting color or UI background, pairing it with warm ivory or copper for contrast. White text remains readable at about a 5.1:1 contrast ratio. The hex code is #3b7397.

Questions about #3b7397

What is #3b7397 in RGB, HSL and CMYK?
In RGB, #3b7397 is rgb(59, 115, 151), in HSL hsl(203, 44%, 41%) and in CMYK 61%, 24%, 0%, 41%.
What colors pair well with #3b7397?
Warm ivory softens #3b7397, while copper introduces focused warmth; charcoal adds a grounded dark neutral for text and structure, creating a balanced palette for interfaces, editorial layouts, and brand materials that need a calm blue base with selective contrast.
Does #3b7397 look warm or cool?
#3b7397 reads as a cool blue because its hue sits in the blue range and its gray undertones reduce warmth, giving it a calm, restrained appearance rather than a bright or energetic one.
Is #3b7397 readable on white or black?
#3b7397 has a 5.14:1 contrast ratio on white and 4.08:1 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.