#00237D Hex Color
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#00237d is a dark, highly saturated blue with a cool, slightly violet undertone. Its depth suggests authority, security, and reliability, making it effective for finance, technology, government, and formal branding. Use it as a dominant background or strong logo color, with white text for about 13.7:1 contrast. The hex code is #00237d.
Questions about #00237d
What is #00237d in RGB, HSL and CMYK?
In RGB, #00237d is rgb(0, 35, 125), in HSL hsl(223, 100%, 25%) and in CMYK 100%, 72%, 0%, 51%.
What colors pair well with #00237d?
#00237d pairs well with white for crisp contrast, pale blue for a restrained monochromatic scheme, and warm gold or peach accents that balance its cool, slightly violet undertone in digital and print palettes.
Does #00237d look warm or cool?
#00237d reads as a cool blue because its strong blue base is nudged toward violet, giving it a crisp, composed appearance rather than the warmth associated with red or yellow undertones.
Where does #00237d work best?
#00237d works well for finance, technology, government, and formal branding where a deep blue can communicate authority, security, and reliability without the near-black heaviness of a dark neutral.
Is #00237d readable on white or black?
#00237d has a 13.66:1 contrast ratio on white and 1.53:1 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.