#37A9DF Hex Color
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With medium lightness and softened saturation, #37a9df is a cool blue with a clean, slightly muted character. It suggests trust, reliability, and control, making it suitable for finance, healthcare, technology, and government interfaces. Use it as a supporting brand tone or UI accent beside navy and warm gray. The hex code #37a9df supports black body text at about 7.9:1 contrast.
Questions about #37a9df
What is #37a9df in RGB, HSL and CMYK?
In RGB, #37a9df is rgb(55, 169, 223), in HSL hsl(199, 72%, 55%) and in CMYK 75%, 24%, 0%, 13%.
What colors pair well with #37a9df?
#37a9df pairs well with navy and warm gray for a controlled, professional palette, while a muted orange accent adds complementary warmth without overpowering its cool blue base in interfaces and brand systems.
Is #37a9df readable on white or black?
#37a9df has a 2.65:1 contrast ratio on white and 7.90:1 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.