#51658B Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
#51658b is a muted, matte blue with cool gray undertones and low saturation. Its dim, inky character suggests restraint, reliability, and control rather than energy. The hex code #51658b suits security, finance, healthcare, and technology interfaces as a supporting tone or dark background. White text reaches about 5.9:1 contrast, meeting WCAG AA for body text.
Questions about #51658b
What is #51658b in RGB, HSL and CMYK?
In RGB, #51658b is rgb(81, 101, 139), in HSL hsl(219, 26%, 43%) and in CMYK 42%, 27%, 0%, 45%.
What colors pair well with #51658b?
#51658b pairs well with burgundy, warm ivory, and restrained metallic tones because its cool gray base gives warmer accents more depth without becoming harsh. Use it as a supporting field, then reserve the warmer shade for buttons or small emphasis.
Is #51658b readable on white or black?
#51658b has a 5.85:1 contrast ratio on white and 3.58:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.