#636AF9 Hex Color
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#636af9 is a loud, saturated indigo that demands attention. Because it is so vivid, this color works best as a sharp accent rather than a background. Pair it with soft neutrals to balance its intensity, but avoid muddy tones; if you find yourself needing to tone it down, understanding how to make gray helps maintain clarity. Its high contrast ensures that black text remains readable and crisp.
Questions about #636af9
What is #636af9 in RGB, HSL and CMYK?
In RGB, #636af9 is rgb(99, 106, 249), in HSL hsl(237, 93%, 68%) and in CMYK 60%, 57%, 0%, 2%.
What colors pair well with #636af9?
Should #636af9 be used as a primary background color?
Avoid using #636af9 as a large background because its high intensity can strain the eyes and overwhelm other content. It is much more effective when reserved for call-to-action buttons, active states, or small decorative accents where you need immediate visual focus.
Is #636af9 readable on white or black?
#636af9 has a 4.23:1 contrast ratio on white and 4.96:1 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.