#343B58 Hex Color
A reserved, moody indigo with matte undertones
This dusty, unsaturated indigo feels reserved and grounded. With its matte finish, #343b58 acts as a stable, moody alternative to standard black or charcoal backgrounds in professional UI design. It offers excellent contrast for white typography at 11.0:1. Because it is so muted, use this hex code as a base layer rather than a primary accent to maintain readability.
Questions about #343b58
What is #343b58 in RGB, HSL and CMYK?
In RGB, #343b58 is rgb(52, 59, 88), in HSL hsl(228, 26%, 27%) and in CMYK 41%, 33%, 0%, 65%.
Is #343b58 a suitable replacement for black in UI design?
Yes, #343b58 works exceptionally well as a softer, more sophisticated alternative to pure black or charcoal in interface design. It provides a grounded, moody feel that reduces eye strain while maintaining excellent readability against white text.
Which color palettes pair well with the indigo tone of #343b58?
Is #343b58 readable on white or black?
#343b58 has a 10.98:1 contrast ratio on white and 1.91:1 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.