#667B8F Hex Color
Quiet blue-gray with steady depth
The hex code #667b8f produces a muted, ashy blue with low saturation and a matte blue-gray finish. Its restrained tone suits finance, healthcare, government, and technology interfaces where reliability matters more than visual energy. Use it as a supporting color beside off-white or charcoal; black text reaches about 4.8:1 contrast for readable body copy.
Questions about #667b8f
What is #667b8f in RGB, HSL and CMYK?
In RGB, #667b8f is rgb(102, 123, 143), in HSL hsl(209, 17%, 48%) and in CMYK 29%, 14%, 0%, 44%.
Does #667b8f read as a warm or cool color?
#667b8f reads as a cool, muted blue-gray because its blue channel is higher than its red and green values, while low saturation keeps the result restrained, calm, and less vivid.
What colors pair well with #667b8f?
#667b8f pairs well with off-white, charcoal, and muted warm accents such as terracotta, creating balanced palettes for interfaces, presentations, and editorial layouts with a calm, professional visual hierarchy across light backgrounds.
Is #667b8f readable on white or black?
#667b8f has a 4.37:1 contrast ratio on white and 4.79:1 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.