#00577C Hex Color
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#00577c is a muted, desaturated blue with a serious, grounded presence. Its darkness offers excellent readability, providing high contrast against white text for accessible UI designs. This shade works well as a primary background in corporate or nautical branding where stability is the goal. Use this hex code to anchor a palette without the harshness of pure navy.
Questions about #00577c
What is #00577c in RGB, HSL and CMYK?
In RGB, #00577c is rgb(0, 87, 124), in HSL hsl(198, 100%, 24%) and in CMYK 100%, 30%, 0%, 51%.
What colors pair well with #00577c?
#00577c works best when paired with high-contrast neutrals like crisp off-white or light gray to maintain legibility. For a professional aesthetic, it complements mustard or terracotta accents, which provide a warm balance against this cool, serious base.
Is #00577c readable on white or black?
#00577c has a 7.91:1 contrast ratio on white and 2.65:1 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.