#0345A3 Hex Color
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This deep, saturated blue provides a serious and authoritative base for corporate or security-focused UI designs. While it reads as cold and stable, it pairs surprisingly well with muted gold accents rather than standard white. Because it holds strong contrast, white text remains readable at small sizes. The hex code for this professional navy is #0345a3. If you want to experiment with mixing blue, start with this shade.
Questions about #0345a3
What is #0345a3 in RGB, HSL and CMYK?
In RGB, #0345a3 is rgb(3, 69, 163), in HSL hsl(215, 96%, 33%) and in CMYK 98%, 58%, 0%, 36%.
What colors pair best with the #0345a3 blue?
This deep blue balances nicely against muted gold or warm beige accents, which break up the clinical feel of pure blue. You can also pair it with a crisp off-white or light gray for a cleaner, modern corporate aesthetic.
Is #0345a3 readable on white or black?
#0345a3 has a 8.80:1 contrast ratio on white and 2.38:1 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.