#213E42 Hex Color
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A very dark, grayed cyan, #213e42 sits near charcoal with a subtle blue-green undertone. Its low saturation and low lightness give it a moody, serious character, which suits dark mode interfaces and tech or aerospace branding. Treat it as a dominant base and pair it with warm coral or soft gold to keep it from reading flat. White text scores about 11.5:1 contrast on it, well past WCAG AA.
Questions about #213e42
What is #213e42 in RGB, HSL and CMYK?
In RGB, #213e42 is rgb(33, 62, 66), in HSL hsl(187, 33%, 19%) and in CMYK 50%, 6%, 0%, 74%.
What colors pair well with #213e42?
Warm accents like coral, terracotta, or soft gold lift its gloomy gray-green cast and stop it from reading flat. Muted sage and off-white also work for calmer, low-contrast palettes.
Is #213e42 readable on white or black?
#213e42 has a 11.46:1 contrast ratio on white and 1.83:1 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.