#005B99 Hex Color
Professional moody blue with cool composure

This dark, unsaturated blue sits on the edge of professional and moody. Because it leans cooler and slightly dim, #005b99 works best as a primary background color for finance or tech interfaces where clarity is essential. It supports white text with high legibility. If you need to soften the look, mixing gray into your palette can help balance the intensity of this hex code.
Questions about #005b99
What is #005b99 in RGB, HSL and CMYK?
In RGB, #005b99 is rgb(0, 91, 153), in HSL hsl(204, 100%, 30%) and in CMYK 100%, 41%, 0%, 40%.
Where should I use #005b99 in a UI design?
#005b99 functions best as a primary action color or a background anchor for data-heavy finance and tech applications. Its restrained, moody character supports white text beautifully, providing a serious tone that feels stable, trustworthy, and visually quiet for long-form reading.
What colors pair well with #005b99 for a balanced palette?
Is #005b99 readable on white or black?
#005b99 has a 7.10:1 contrast ratio on white and 2.95:1 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.