#273C5A Hex Color
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Nautilus is a dusty, unsaturated navy with a matte finish that feels professional and serious. Because it is quite dark and muted, it works best as a moody background color rather than for fine text. Pair this hex code, #273c5a, with crisp white or soft cream to create high-contrast UI designs that feel authoritative and stable. It brings a grounded, traditional tone to corporate branding.
Questions about Nautilus
What is the hex code for Nautilus?
Nautilus is #273c5a. In RGB that is rgb(39, 60, 90), in HSL hsl(215, 40%, 25%) and in CMYK 57%, 33%, 0%, 65%.
How should I use Nautilus #273c5a in UI design?
Nautilus #273c5a works best as a moody, grounding background color rather than for small text, due to its dark and muted nature. For high-contrast interfaces, pair this hex code with clean whites or soft, warm creams to maintain professional legibility.
Does #273c5a read as a warm or cool navy?
While essentially a deep blue, #273c5a leans toward a cool, desaturated undertone because of its dusty, matte finish. This lack of vibrant saturation keeps it feeling stable and authoritative, making it a reliable choice for corporate or traditional brand identities.
Is Nautilus readable on white or black?
Nautilus has a 11.16:1 contrast ratio on white and 1.88:1 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 is too faint for text. Try other pairs in the contrast checker.