#42578F Hex Color
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The hex code #42578f is a medium-dark, muted blue with cool violet undertones. Its restrained saturation gives interfaces a serious, dependable mood without the heaviness of navy. Use it as a supporting background or navigation color in finance, technology, and government designs. White text remains highly legible, with about a 7.0:1 contrast ratio.
Questions about #42578f
What is #42578f in RGB, HSL and CMYK?
In RGB, #42578f is rgb(66, 87, 143), in HSL hsl(224, 37%, 41%) and in CMYK 54%, 39%, 0%, 44%.
What colors pair well with #42578f?
#42578f pairs well with white, pale gray, and restrained warm accents such as terracotta, which balance its cool violet undertone while preserving its serious, dependable character in interfaces and brand palettes. Use lighter neutrals for calm layouts and warmer accents sparingly for emphasis.
Is #42578f a warm or cool color?
#42578f reads as a cool, muted blue because its blue base carries violet undertones and moderate saturation, giving it a focused, dependable mood rather than the brighter energy of vivid blue or the depth of navy. It works well for structured digital interfaces.
Is #42578f readable on white or black?
#42578f has a 7.01:1 contrast ratio on white and 2.99:1 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.