#1B3671 Hex Color
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Dark and cool, #1b3671 is a muted blue with strong depth and a slightly gray undertone. Its serious, reliable character suits finance, technology, government, and formal branding. Use it as a dominant background or supporting tone with burgundy and warm white. The hex code #1b3671 also supports clear white text, with about 11.6:1 contrast.
Questions about #1b3671
What is #1b3671 in RGB, HSL and CMYK?
In RGB, #1b3671 is rgb(27, 54, 113), in HSL hsl(221, 61%, 27%) and in CMYK 76%, 52%, 0%, 56%. Browse more shades of blue with names and hex codes.
What colors pair well with #1b3671?
#1b3671 pairs well with warm white, burgundy, and terracotta because these colors soften its cool depth while preserving a serious, balanced look for finance branding, technology interfaces, government materials, and formal editorial layouts.
Is #1b3671 a warm or cool color?
#1b3671 reads as a cool, dark blue because its blue base and gray undertone reduce warmth, giving it a reserved, dependable mood that suits navigation bars, formal documents, and restrained brand systems.
Is #1b3671 readable on white or black?
#1b3671 has a 11.58:1 contrast ratio on white and 1.81:1 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.