#0B3AA7 Hex Color
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#0b3aa7 is a dark, saturated blue with a cool, slightly violet undertone. Its strong chroma gives interfaces and branding a serious, controlled feel, while its low lightness adds depth and authority. The hex code works well as a dominant background or formal accent in finance, technology, and government design. White text reaches about 9.6:1 contrast, supporting readable body copy.
Questions about #0b3aa7
What is #0b3aa7 in RGB, HSL and CMYK?
In RGB, #0b3aa7 is rgb(11, 58, 167), in HSL hsl(222, 88%, 35%) and in CMYK 93%, 65%, 0%, 35%.
What colors pair well with #0b3aa7?
#0b3aa7 pairs well with burgundy, pale gray, and warm off-white because those contrasts soften its saturated blue without weakening its formal character across interfaces, print, packaging, and presentation materials. Use burgundy for restrained accents or warm off-white for polished brand systems.
Is #0b3aa7 readable on white or black?
#0b3aa7 has a 9.64:1 contrast ratio on white and 2.17:1 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.