#04379B Hex Color
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#04379b is a dark, heavily saturated blue with a strong azure cast. On screens it reads brighter and more electric than navy, which makes it a confident choice for links, buttons, and bold accent surfaces. Its depth lets it hold its own as a background color behind white text, while the saturation keeps interfaces feeling energetic rather than flat. Designers often reach for it when a palette needs a blue that stands out without tipping into neon.
Questions about #04379b
What is #04379b in RGB, HSL and CMYK?
In RGB, #04379b is rgb(4, 55, 155), in HSL hsl(220, 95%, 31%) and in CMYK 97%, 65%, 0%, 39%. Browse more shades of blue with names and hex codes.
What colors pair well with #04379b?
#04379b pairs well with charcoal, white, and light gray text, and holds its own against warm accent tones like burgundy or amber.
Is #04379b readable on white or black?
#04379b has a 10.37:1 contrast ratio on white and 2.02:1 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.