#370099 Hex Color
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A deep, moody indigo, #370099 evokes mystery and authority. It carries a heavy, serious tone that works well in corporate branding, luxury packaging, or night sky designs. This cool, stable shade provides a strong contrast for web interfaces or formal prints. Designers use this hex code when they need a color that feels both professional and grounded.
Questions about #370099
What is #370099 in RGB, HSL and CMYK?
In RGB, #370099 is rgb(55, 0, 153), in HSL hsl(262, 100%, 30%) and in CMYK 64%, 100%, 0%, 40%.
What colors pair well with #370099?
Since this is an intense, cool-toned indigo, it pairs exceptionally well with muted gold, warm cream, or crisp white to balance its heavy nature. Use soft grays or desaturated mint greens if you need a more modern, tech-focused palette.
Is #370099 readable on white or black?
#370099 has a 12.94:1 contrast ratio on white and 1.62:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.