#636FB5 Hex Color
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This dusty, unsaturated indigo feels cool and grounded. It sits between blue and violet, making it a reliable choice for UI backgrounds. White text remains readable at a 4.7:1 ratio against it. Pair this shade with soft cream or warm terracotta to balance the temperature. Be careful using it for fine details, as it can appear washed out. The hex code is #636fb5.
Questions about #636fb5
What is #636fb5 in RGB, HSL and CMYK?
In RGB, #636fb5 is rgb(99, 111, 181), in HSL hsl(231, 36%, 55%) and in CMYK 45%, 39%, 0%, 29%. Browse more shades of blue with names and hex codes.
What colors pair well with #636fb5 for a balanced palette?
#636fb5 works exceptionally well when contrasted against terracotta or soft, buttery cream tones. These warmer hues counteract the cool, dusty nature of this indigo, creating a sophisticated visual balance that feels both professional and grounded for modern interfaces.
Is #636fb5 readable on white or black?
#636fb5 has a 4.69:1 contrast ratio on white and 4.47:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.