#00579E Hex Color
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Dark and somewhat muted, #00579e is a cool blue with a serious, dependable presence. Its restrained saturation suits finance, government, security, and technology branding, especially as a dominant UI or header color. Pair it with white text for strong readability, reaching about a 7.4:1 contrast ratio. The hex code for this shade is #00579e.
Questions about #00579e
What is #00579e in RGB, HSL and CMYK?
In RGB, #00579e is rgb(0, 87, 158), in HSL hsl(207, 100%, 31%) and in CMYK 100%, 45%, 0%, 38%.
Is #00579e a warm or cool blue?
#00579e is a cool blue with restrained saturation, giving it a serious, dependable feel that suits technology, finance, government, security, and other formal visual systems, especially in headers, navigation, or primary interface elements.
Can white text be used with #00579e?
#00579e works well with white text, offering strong contrast for body copy, buttons, headers, and navigation; it clears WCAG AA and AAA thresholds for normal text, though the final pairing should still be checked in the actual interface.
What colors pair well with #00579e?
#00579e pairs cleanly with white and pale gray for crisp interfaces, while warm accents such as terracotta can soften its cool, formal character without overwhelming the blue.
Is #00579e readable on white or black?
#00579e has a 7.35:1 contrast ratio on white and 2.85:1 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.