#03137C Hex Color

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Hex color #03137c graphic
#03137c is a deep, saturated blue that anchors serious design work. Its heavy pigment makes it a strong choice for professional branding or dark UI interfaces. Use this shade as a background, where white text pops against the 15.1:1 contrast ratio. Designers often use this when mixing black feels too harsh for a layout. The hex code for this color is #03137c.

Questions about #03137c

What is #03137c in RGB, HSL and CMYK?
In RGB, #03137c is rgb(3, 19, 124), in HSL hsl(232, 95%, 25%) and in CMYK 98%, 85%, 0%, 51%.
Is #03137c a good alternative to black for UI design?
#03137c is an excellent, softer alternative to pure black because it provides high contrast without the visual harshness of absolute darkness. Designers often prefer this deep blue for text-heavy layouts and backgrounds to reduce eye strain while maintaining a premium feel.
Which accent colors complement #03137c effectively?
Bright, high-contrast colors like a soft cream or a sharp white work best to keep the design readable against this dark base. For secondary accents, a muted gold or a vibrant teal can add interest without clashing with the deep blue undertones.
Is #03137c readable on white or black?
#03137c has a 15.12:1 contrast ratio on white and 1.38:1 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.