#42C3F7 Hex Color

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Hex color #42c3f7 graphic
Bright and cool, #42c3f7 is a clear cyan-leaning blue with high saturation and a lightly sparkling finish. Its fresh energy supports trust and reliability in technology, finance, healthcare, and security interfaces. Use it as a focused accent or dominant UI color with dark text; the hex code delivers about 10.4:1 contrast against black.

Questions about #42c3f7

What is #42c3f7 in RGB, HSL and CMYK?
In RGB, #42c3f7 is rgb(66, 195, 247), in HSL hsl(197, 92%, 61%) and in CMYK 73%, 21%, 0%, 3%.
Is #42c3f7 a warm or cool color?
#42c3f7 reads distinctly cool because its high saturation and cyan bias keep it crisp rather than softened by gray or yellow. That controlled character fits technology, healthcare, security, and nautical interfaces, especially when balanced with darker neutrals.
What colors pair well with #42c3f7?
Pair #42c3f7 with charcoal for grounded interface text or navy for a stronger, more formal contrast. These darker partners contain its brightness without competing with its clean cyan undertone, making them useful for buttons, headers, and data displays.
Is #42c3f7 readable on white or black?
#42c3f7 has a 2.02:1 contrast ratio on white and 10.38:1 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.