#000351 Hex Color
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The hex code #000351 is an exceptionally dark, cool blue with strong saturation and a subtle violet cast. Its low lightness creates a serious, controlled mood suited to finance, security, government, and corporate branding. Use it as a dominant dark-mode background or pair it with burgundy for richer contrast. White text remains highly legible on this hex code.
Questions about #000351
What is #000351 in RGB, HSL and CMYK?
In RGB, #000351 is rgb(0, 3, 81), in HSL hsl(238, 100%, 16%) and in CMYK 100%, 96%, 0%, 68%.
What colors pair well with #000351?
Is #000351 a warm or cool color?
#000351 reads as a very cool blue because its strong blue base has a slight violet cast and almost no visible warmth. That combination gives layouts a controlled, formal mood rather than an inviting, earthy one.
Is #000351 readable on white or black?
#000351 has a 18.55:1 contrast ratio on white and 1.13:1 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.