#404E57 Hex Color
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#404e57 is a dusty, matte shade that sits squarely between dark blue and charcoal gray. Because it is highly desaturated, it provides a stable, serious backdrop for tech or security-focused UI designs. While its muted tone can feel slightly gloomy in large, solid blocks, it pairs effectively with crisp white text. Designers often use mixing gray techniques to achieve this grounded, industrial hex code.
Questions about #404e57
What is #404e57 in RGB, HSL and CMYK?
In RGB, #404e57 is rgb(64, 78, 87), in HSL hsl(203, 15%, 30%) and in CMYK 26%, 10%, 0%, 66%.
What colors pair well with #404e57?
#404e57 works best when balanced against high-contrast neutrals like crisp white to lift its heavy tone. For an intentional palette, try pairing it with soft cream or cool silver to emphasize its industrial, tech-focused character without overwhelming your design.
Is #404e57 considered a warm or cool color?
#404e57 is definitively a cool-leaning shade because of its strong blue base. Its charcoal desaturation mutes that coolness, preventing it from appearing too vibrant, which makes it a versatile choice for serious, professional layouts needing a calm atmosphere.
Is #404e57 readable on white or black?
#404e57 has a 8.58:1 contrast ratio on white and 2.44:1 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.