#0A5A75 Hex Color
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#0a5a75 is a dark, muted cyan-blue with cool teal undertones and enough depth to feel serious without going flat. This hex code works well as a supporting tone for technology, finance, security, and nautical branding, especially beside warm off-white or muted coral. White text has about a 7.7:1 contrast ratio, making it suitable for accessible body-text backgrounds.
Questions about #0a5a75
What is #0a5a75 in RGB, HSL and CMYK?
In RGB, #0a5a75 is rgb(10, 90, 117), in HSL hsl(195, 84%, 25%) and in CMYK 91%, 23%, 0%, 54%.
Is #0a5a75 warm or cool?
#0a5a75 reads as a cool color because its dark cyan-blue base carries a teal undertone, while its deep value keeps the impression restrained and serious rather than bright or airy. Warm off-white or muted coral can soften that effect.
What colors pair well with #0a5a75?
#0a5a75 pairs well with warm off-white, muted coral, and charcoal, balancing its cool teal cast without competing with its dark value, with room for brighter accents. These combinations suit interfaces, packaging, and brand palettes.
Is #0a5a75 readable on white or black?
#0a5a75 has a 7.68:1 contrast ratio on white and 2.73:1 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.