#0A2239 Hex Color
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#0a2239 is a very dark, muted blue with cool gray undertones and low saturation. Its serious, dependable character suits finance, security, government, and corporate branding. Use it as a dominant background or dark-mode base, pairing it with burgundy or warm off-white. The hex code #0a2239 supports clear white text at about a 16.1:1 contrast ratio.
Questions about #0a2239
What is #0a2239 in RGB, HSL and CMYK?
In RGB, #0a2239 is rgb(10, 34, 57), in HSL hsl(209, 70%, 13%) and in CMYK 82%, 40%, 0%, 78%.
What colors pair well with #0a2239?
Warm off-white provides clear contrast with #0a2239, while burgundy adds a restrained accent; muted gray, pale blue, and soft neutrals preserve its serious, cool character without feeling harsh.
Where does #0a2239 work best?
Use #0a2239 as a dominant background, header, or dark-mode base when you want a serious, dependable mood; its low saturation helps brighter accents and readable white text stand out.
Is #0a2239 readable on white or black?
#0a2239 has a 16.14:1 contrast ratio on white and 1.30:1 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.