#00658F Hex Color
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Dark and muted, #00658f is a cool blue with a subtle teal cast and low-to-moderate saturation. Its serious, dependable mood suits finance, security, healthcare, government, and nautical branding. Use the hex code #00658f as a strong UI background or dominant base, with white text for about 6.4:1 contrast and clear small-text readability.
Questions about #00658f
What is #00658f in RGB, HSL and CMYK?
In RGB, #00658f is rgb(0, 101, 143), in HSL hsl(198, 100%, 28%) and in CMYK 100%, 29%, 0%, 44%.
Is #00658f a warm or cool color?
#00658f reads as a cool blue because its deep blue base carries a subtle teal cast, giving it a calm, serious, and dependable mood that fits finance, security, healthcare, government, and nautical interfaces.
What colors pair well with #00658f?
Pair #00658f with white or charcoal for restrained contrast, or use pale blue and muted teal accents for a cohesive cool palette. Warm terracotta or amber can add energy without overpowering the dark blue base.
Is #00658f readable on white or black?
#00658f has a 6.44:1 contrast ratio on white and 3.25:1 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.