#1B129B Hex Color
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#1b129b is a dark, highly saturated blue with a cool violet undertone. This hex code feels serious, controlled, and slightly mysterious, making it useful for security, finance, technology, and formal branding. Use it as a strong accent or dark interface base, then add white text for clear contrast. Pale warm neutrals can soften its intensity.
Questions about #1b129b
What is #1b129b in RGB, HSL and CMYK?
In RGB, #1b129b is rgb(27, 18, 155), in HSL hsl(244, 79%, 34%) and in CMYK 83%, 88%, 0%, 39%.
What colors pair well with #1b129b?
#1b129b pairs well with burgundy and pale warm neutrals, which balance its cool violet cast without making the palette feel flat. Use those warmer notes for buttons, borders, or small highlights against its darker base.
Is #1b129b readable on white or black?
#1b129b has a 13.07:1 contrast ratio on white and 1.60:1 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.