#172F3B Hex Color
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Dark blue suits dark mode interfaces, dashboards, and nautical branding. The hex code #172f3b is heavily muted and very dark, with a faint teal undertone that keeps it from reading as plain navy. Pair it with warm copper or soft coral to lift the gloom. White text passes contrast at roughly 13.9:1, so small type stays readable.
Questions about #172f3b
What is #172f3b in RGB, HSL and CMYK?
In RGB, #172f3b is rgb(23, 47, 59), in HSL hsl(200, 44%, 16%) and in CMYK 61%, 20%, 0%, 77%.
What colors pair well with #172f3b?
Warm accents work best against #172f3b because the color is so muted and dark. Try copper, dusty coral, or soft brass in small doses, keeping the blue as your dominant base at roughly 60 percent of the layout.
Is #172f3b readable on white or black?
#172f3b has a 13.94:1 contrast ratio on white and 1.50:1 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 is too faint for text. Try other pairs in the contrast checker.