#00303D Hex Color
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Dark and muted, #00303d is a cold cyan with blue-green undertones and very low lightness. Its gloomy depth suits technology, aerospace, and moody interfaces, especially as a dominant background paired with white text or dusty blue accents. The hex code #00303d supports readable small body text, with about a 14.1:1 contrast ratio against white.
Questions about #00303d
What is #00303d in RGB, HSL and CMYK?
In RGB, #00303d is rgb(0, 48, 61), in HSL hsl(193, 100%, 12%) and in CMYK 100%, 21%, 0%, 76%.
What colors pair well with #00303d?
#00303d pairs well with white, pale blue, dusty blue, and muted blue-green accents, which bring contrast without losing its cool, atmospheric character. Use lighter supporting colors for text, borders, or highlights against this very dark cyan.
Does #00303d read as a warm or cool color?
#00303d reads as a very cool color because its blue-green, cyan-leaning hue has little warmth from red or yellow, while its low lightness adds a serious, subdued mood suited to technical, nocturnal, or atmospheric visual systems.
Is #00303d readable on white or black?
#00303d has a 14.09:1 contrast ratio on white and 1.49:1 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.