#646C7C Hex Color
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Muted and ashy, #646c7c is a dark blue-gray with a matte, dusty finish and low saturation. Its restrained tone suits security, finance, healthcare, and technology interfaces where trust and control matter. Use it as a supporting background with off-white or muted gold accents; white text provides about 5.3:1 contrast. The hex code is #646c7c.
Questions about #646c7c
What is #646c7c in RGB, HSL and CMYK?
In RGB, #646c7c is rgb(100, 108, 124), in HSL hsl(220, 11%, 44%) and in CMYK 19%, 13%, 0%, 51%. Browse more shades of gray with names and hex codes.
Which colors pair well with #646c7c?
#646c7c pairs well with off-white for restrained interfaces, while muted gold or dusty blue accents add warmth and visual interest without overwhelming its cool, low-saturation base in dashboards, presentations, and editorial layouts.
Does #646c7c read as warm or cool?
#646c7c reads cool because its blue-gray base and restrained saturation create a steady, slightly distant impression rather than the warmth associated with red, yellow, or brown undertones in most lighting conditions.
Is #646c7c readable on white or black?
#646c7c has a 5.27:1 contrast ratio on white and 3.97:1 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.