#131B39 Hex Color
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This very dark, inky blue feels restrained and professional. Its extreme low saturation makes it a grounded base color for corporate interfaces, providing stability without the intensity of pure black. Because of its 16.9:1 contrast ratio, white text stands out perfectly against the hex code #131b39. Try using this shade in dark mode designs to create a mood of authority rather than mystery.
Questions about #131b39
What is #131b39 in RGB, HSL and CMYK?
In RGB, #131b39 is rgb(19, 27, 57), in HSL hsl(227, 50%, 15%) and in CMYK 67%, 53%, 0%, 78%.
Why use #131b39 instead of pure black in UI designs?
Using #131b39 provides a softer, more grounded appearance than pure black in user interfaces while maintaining a very high contrast ratio for white text. It effectively reduces eye strain in dark mode designs by offering a subtle, professional, and readable backdrop.
Which accent colors pair best with #131b39?
This shade pairs beautifully with muted gold or soft cream accents to create a sense of authority and elegance. Because #131b39 is so dark and neutral, it also allows brighter, high-saturation colors to pop without overwhelming the overall layout balance.
Is #131b39 readable on white or black?
#131b39 has a 16.88:1 contrast ratio on white and 1.24:1 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.