#303CE8 Hex Color

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Hex color #303ce8 graphic
Strong and highly saturated, #303ce8 is a dark, cool blue with a slight violet cast. Its intense chroma brings energy and focus to calls to action, technology branding, and security interfaces. Use it as a 10% accent beside charcoal or warm ivory rather than a full-page background. White text has about 7.1:1 contrast. The hex code is #303ce8.

Questions about #303ce8

What is #303ce8 in RGB, HSL and CMYK?
In RGB, #303ce8 is rgb(48, 60, 232), in HSL hsl(236, 80%, 55%) and in CMYK 79%, 74%, 0%, 9%.
What colors pair well with #303ce8?
Pair #303ce8 with charcoal, warm ivory, or other muted neutrals to soften its intensity; a restrained orange accent can add complementary energy without competing with the blue’s strong saturation and focus.
Is #303ce8 a warm or cool color?
#303ce8 reads as a cool blue because its dominant blue base carries a slight violet cast, giving it a crisp, focused character rather than the warmth associated with red- or yellow-shifted blues. It suits energetic digital interfaces.
Where should #303ce8 be used?
Use #303ce8 as a focused accent for calls to action, links, security interfaces, and technology branding; limiting it to roughly 10% of a layout can preserve hierarchy and reduce visual fatigue.
Is #303ce8 readable on white or black?
#303ce8 has a 7.14:1 contrast ratio on white and 2.93:1 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.