#587FB5 Hex Color
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Muted and cool, #587fb5 is a dusty medium blue with gray undertones and a matte, understated finish. Its restrained saturation suits security, finance, healthcare, and government interfaces, especially as a supporting tone beside white or charcoal. Black text reaches about 5.1:1 contrast here, meeting WCAG AA for body text. The hex code is #587fb5.
Questions about #587fb5
What is #587fb5 in RGB, HSL and CMYK?
In RGB, #587fb5 is rgb(88, 127, 181), in HSL hsl(215, 39%, 53%) and in CMYK 51%, 30%, 0%, 29%.
Does #587fb5 read as warm or cool?
#587fb5 reads as a cool, muted blue because its blue hue is softened by gray undertones. Its restrained saturation gives it a calm, matte feel rather than the energetic look of a bright primary blue.
What colors pair well with #587fb5?
#587fb5 pairs well with white, charcoal, and soft neutrals, preserving its calm, professional character while keeping backgrounds, panels, borders, and supporting text clear and balanced in most interface layouts. A muted terracotta accent can add warmth without overpowering the dusty blue.
Is #587fb5 readable on white or black?
#587fb5 has a 4.10:1 contrast ratio on white and 5.11:1 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.