#0031B5 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
#0031b5 is a saturated, dark blue with a cool, commanding presence and little gray, giving designs a clear, serious edge. The hex code #0031b5 works well as a dominant brand color for finance, technology, government, and security interfaces. Pair it with white for readable text, since it provides about 10.0:1 contrast, or use burgundy for a richer palette.
Questions about #0031b5
What is #0031b5 in RGB, HSL and CMYK?
In RGB, #0031b5 is rgb(0, 49, 181), in HSL hsl(224, 100%, 35%) and in CMYK 100%, 73%, 0%, 29%.
What colors pair well with #0031b5?
#0031b5 pairs well with white for crisp contrast and with burgundy for a richer, more formal palette; pale blue or cool gray can soften its intensity without weakening its clear, professional character.
Is #0031b5 warm or cool, and what mood does it create?
#0031b5 reads as a cool blue because its strong blue component and low gray content create a crisp, serious feel, making it suitable for trustworthy, focused interfaces rather than warm, relaxed spaces.
Is #0031b5 readable on white or black?
#0031b5 has a 9.96:1 contrast ratio on white and 2.10:1 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.