About Cobalt Blue
Cobalt Blue is a vibrant blue color that evokes a energetic feeling. With a hex value of #0047AB, this color sits at 215° on the color wheel with 100% saturation and 34% lightness.
This cool hue conveys trust, professionalism, and stability. Blue-toned colors like Cobalt Blue are among the most universally preferred colors in branding and UI design. They're particularly effective for corporate websites, healthcare applications, and social platforms.
Cobalt Blue works well for buttons and interactive elements, as well as accents and highlights. When using Cobalt Blue in your designs, consider pairing it with complementary colors for optimal contrast and visual balance.
Cobalt Blue Shades
Contrast on Cobalt Blue
Black text
Sample paragraph text
White text
Sample paragraph text
Recommended for readability
CSS Usage
UI Preview
Button
Badge
Text Highlight
The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.
Card
Card Title
This card uses your color as a border accent.
Alert / Toast
Link / Accent
This is a paragraph with a link using your color. The color can be applied to interactive elements.
Similar Colors to Cobalt Blue
Color Combinations
Proven color harmonies that work well with Cobalt Blue
Complementary colors sit opposite each other on the color wheel, creating maximum contrast and visual impact.
Best for: Call-to-action buttons, important highlights, and designs that need strong visual punch.
Analogous colors are adjacent on the color wheel, creating harmonious, cohesive palettes that feel naturally pleasing.
Best for: Brand identities, nature-inspired designs, and serene, professional interfaces.
Frequently Asked Questions
Common questions about Cobalt Blue color