#3F91A8 Hex Color
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The hex code #3f91a8 is a cool, muted cyan with blue-green undertones and medium lightness. Its restrained saturation suggests trust, clarity, and refreshing energy without feeling loud. Use it as a supporting brand color or UI accent for communication and technology, pairing it with warm ivory and charcoal. Black text provides about 5.8:1 contrast for readable body copy.
Questions about #3f91a8
What is #3f91a8 in RGB, HSL and CMYK?
In RGB, #3f91a8 is rgb(63, 145, 168), in HSL hsl(193, 45%, 45%) and in CMYK 63%, 14%, 0%, 34%. Browse more shades of blue with names and hex codes.
What colors pair well with #3f91a8?
Does #3f91a8 read as a warm or cool color?
#3f91a8 reads as a cool color because its cyan base leans blue-green rather than yellow-green, while its moderate saturation keeps the result calm instead of icy or overly vivid on screen.
Is #3f91a8 readable on white or black?
#3f91a8 has a 3.60:1 contrast ratio on white and 5.82:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.