#00313E Hex Color

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Hex color #00313e graphic
Dark and highly muted, #00313e is a cool cyan with gray-green undertones and a serious, atmospheric feel. It works as a dominant base for dark-mode interfaces, aerospace branding, and moody layouts. White text remains highly legible on it. Pair it with pale coral or warm sand for contrast. The hex code for this color is #00313e.

Questions about #00313e

What is #00313e in RGB, HSL and CMYK?
In RGB, #00313e is rgb(0, 49, 62), in HSL hsl(193, 100%, 12%) and in CMYK 100%, 21%, 0%, 76%. Browse more shades of blue with names and hex codes.
What colors pair well with #00313e?
Pale coral and warm sand create strong warm contrast with #00313e, while muted teal, sage, or soft cream can keep the palette restrained and atmospheric. Use the lighter partners for accents, borders, or text against the dark base.
Does #00313e read as a warm or cool color?
#00313e reads as a cool color because its cyan base is softened by gray-green undertones. Its low brightness gives it a serious, grounded mood, making it suitable for dark interfaces, technical branding, and layouts that need depth without vivid saturation.
Is #00313e readable on white or black?
#00313e has a 13.91:1 contrast ratio on white and 1.50:1 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.