#42505B Hex Color
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#42505b is a dark, almost grey blue with a muted, ashy undertone. Its low saturation keeps it calm and understated, which suits dark mode backgrounds, finance, and tech branding. It works best as a dominant base or supporting tone, and white text passes AA on it at roughly 8.3:1 contrast. Pair it with warm rust or ochre accents to keep it from reading flat.
Questions about #42505b
What is #42505b in RGB, HSL and CMYK?
In RGB, #42505b is rgb(66, 80, 91), in HSL hsl(206, 16%, 31%) and in CMYK 27%, 12%, 0%, 64%.
What colors pair well with #42505b?
#42505b flatters warm, earthy accents like rust, ochre, and terracotta, which stop it from reading flat. For a tighter scheme, use lighter slate tints of the same hue.
Where does #42505b work best in a design?
Use #42505b as a dominant base for dark mode layouts, dashboards, and finance or tech branding. Its muted depth supports content rather than competing with it.
Is #42505b readable on white or black?
#42505b has a 8.29:1 contrast ratio on white and 2.53:1 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.