#66ACDB Hex Color
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Pastel blue with a grayed, unsaturated finish. The hex code #66acdb feels gentle and even-keeled, which suits spring themes, baby products, and calm healthcare interfaces. Treat it as a supporting tone rather than a dominant base, since it can wash out next to plain white. Black text on it reaches about 8.5:1 contrast, comfortably past AA. Its gray undertone also comes in handy if you’re learning how to make gray from blues and oranges.
Questions about #66acdb
What is #66acdb in RGB, HSL and CMYK?
In RGB, #66acdb is rgb(102, 172, 219), in HSL hsl(204, 62%, 63%) and in CMYK 53%, 21%, 0%, 14%.
What colors pair well with #66acdb?
Warm sand, terracotta, and deep navy all flatter #66acdb. Its muted finish needs warmer or darker partners so it doesn't fade into the background. navy in particular makes it read fresher by comparison.
Is #66acdb readable on white or black?
#66acdb has a 2.47:1 contrast ratio on white and 8.48:1 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.