#66A1F0 Hex Color
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#66a1f0 is a clear, cool blue with high saturation and a light, open appearance. Its steady tone suggests trust and reliability, fitting security, finance, healthcare, and technology interfaces. Use it as a supporting brand color or UI background with dark navy and warm gray. Black text has about 7.9:1 contrast. The hex code is #66a1f0.
Questions about #66a1f0
What is #66a1f0 in RGB, HSL and CMYK?
In RGB, #66a1f0 is rgb(102, 161, 240), in HSL hsl(214, 82%, 67%) and in CMYK 57%, 33%, 0%, 6%.
What colors pair well with #66a1f0?
Navy, warm gray, charcoal, and muted terracotta pair well with #66a1f0, balancing its bright, cool blue through darker anchors and gentle warmth in modern digital interfaces, dashboards, and brand palettes.
Does #66a1f0 read as a warm or cool color?
#66a1f0 reads as a cool blue because its hue sits in the blue range and its clean, bright saturation reinforces a crisp, open appearance rather than yellow or red warmth. Its steady tone can support trust-focused designs.
Is #66a1f0 readable on white or black?
#66a1f0 has a 2.65:1 contrast ratio on white and 7.92:1 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.