#121B88 Hex Color
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#121b88 is a dark, highly saturated blue with a cool violet undertone. Its serious, controlled character suits finance, security, government, and corporate branding. Use it as a dominant UI or dark-mode background, pairing it with burgundy or warm white for contrast. White text provides about 13.7:1 contrast, meeting WCAG AA for small body text. The hex code is #121b88.
Questions about #121b88
What is #121b88 in RGB, HSL and CMYK?
In RGB, #121b88 is rgb(18, 27, 136), in HSL hsl(235, 77%, 30%) and in CMYK 87%, 80%, 0%, 47%. Browse more shades of blue with names and hex codes.
How does #121b88 pair with other colors?
#121b88 pairs well with warm white for crisp contrast, burgundy as a warm accent, and pale blue or cool gray for quieter interfaces, while its deep saturation gives brighter details enough separation. Use the strongest contrast for key controls.
What mood does #121b88 create, and where does it work best?
#121b88 reads as cool, serious, and controlled because its deep blue base is highly saturated and carries a violet undertone, making it well suited to finance, security, government, and corporate interfaces.
Is #121b88 readable on white or black?
#121b88 has a 13.65:1 contrast ratio on white and 1.53:1 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.