#51A6CA Hex Color
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This medium-light cyan-blue has a cool, moderately muted finish that feels refreshing, reliable, and clear. The hex code #51a6ca works well as a supporting color for technology, healthcare, communication, and aerospace brands, especially beside navy or charcoal. Use black text on it for strong readability, with about a 7.7:1 contrast ratio. It can look washed out with white.
Questions about #51a6ca
What is #51a6ca in RGB, HSL and CMYK?
In RGB, #51a6ca is rgb(81, 166, 202), in HSL hsl(198, 53%, 55%) and in CMYK 60%, 18%, 0%, 21%. Browse more shades of blue with names and hex codes.
What colors pair well with #51a6ca?
Navy and charcoal pair well with #51a6ca, grounding its cool cyan-blue appearance, while muted coral or terracotta accents can add warmth without overwhelming it. Use white sparingly if you want to avoid a washed-out combination.
Is #51a6ca a warm or cool color?
#51a6ca reads as a cool cyan-blue because its blue and green balance creates a refreshing, clear impression rather than a warm, yellow-based one, making it well suited to clean digital interfaces and calm visual systems.
Is #51a6ca readable on white or black?
#51a6ca has a 2.74:1 contrast ratio on white and 7.65:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.