#3B8BB9 Hex Color
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The hex code #3b8bb9 is a medium, cool blue with softened saturation and a slight gray undertone. Its steady appearance supports trust and reliability in security, finance, healthcare, government, and technology branding. Use it as a supporting tone or UI background, pairing it with warm white and charcoal. Black text reaches about 5.6:1 contrast, making small body text readable.
Questions about #3b8bb9
What is #3b8bb9 in RGB, HSL and CMYK?
In RGB, #3b8bb9 is rgb(59, 139, 185), in HSL hsl(202, 52%, 48%) and in CMYK 68%, 25%, 0%, 27%.
What colors pair well with #3b8bb9?
Is #3b8bb9 a warm or cool blue?
#3b8bb9 reads as a cool blue because its hue leans toward cyan, while softened saturation and a slight gray undertone keep it from feeling overly bright or icy on screen. That balance gives layouts a calm, dependable appearance.
Where does #3b8bb9 work best in a design?
#3b8bb9 works well for UI backgrounds, secondary buttons, dashboards, and trust-focused visual systems where a steady blue supports clear communication without competing with primary calls to action.
Is #3b8bb9 readable on white or black?
#3b8bb9 has a 3.76:1 contrast ratio on white and 5.57:1 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.