#404C6C Hex Color
Online color picker to view shades, tints, color codes, and complementary colors

Dark, dusty, and heavily muted, #404c6c is a blue pulled far toward gray. It reads steady and a little somber, which suits dark mode backgrounds and finance or tech branding. White text hits roughly 8.5:1 contrast, so small body copy stays readable on top. Next to pure white it can wash out, so give it cream or burgundy neighbors instead. The hex code #404c6c works best as a base, not an accent.
Questions about #404c6c
What is #404c6c in RGB, HSL and CMYK?
In RGB, #404c6c is rgb(64, 76, 108), in HSL hsl(224, 26%, 34%) and in CMYK 41%, 30%, 0%, 58%.
What colors pair well with #404c6c?
Warm, dusty tones balance its cool gray-blue cast: burgundy, burnt amber, and cream all work. Avoid bright saturated colors, which make #404c6c look muddy by comparison. In a 60/30/10 palette, let it take the base and use a warm cream for text.
Is #404c6c readable on white or black?
#404c6c has a 8.50:1 contrast ratio on white and 2.46:1 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.