#6389FC Hex Color
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#6389fc is a bright, strongly saturated blue with a cool violet undertone. Its high intensity brings energy and focus to calls to action, security interfaces, finance dashboards, and technology branding. Use it as a supporting tone or small accent beside navy, charcoal, or warm cream. Black text reaches about 6.5:1 contrast, making the hex code suitable behind small body text.
Questions about #6389fc
What is #6389fc in RGB, HSL and CMYK?
In RGB, #6389fc is rgb(99, 137, 252), in HSL hsl(225, 96%, 69%) and in CMYK 61%, 46%, 0%, 1%. Browse more shades of blue with names and hex codes.
What colors pair well with #6389fc?
#6389fc pairs well with navy, charcoal, warm cream, and muted orange, which either deepen its cool blue base or add controlled contrast without competing with its strong saturation. Use warm cream for softer brand compositions and navy for a more secure, formal interface.
Is #6389fc readable on white or black?
#6389fc has a 3.22:1 contrast ratio on white and 6.51:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.