Cobalt Blue

Color codes

Tints & shades

Palettes & harmonies

Color contrast

Here's how text looks on cobalt blue versus the color as text — a quick legibility check before you use it behind captions.

At this lightness, cobalt blue pairs best with white or very light text for readable captions.

What Cobalt Blue means

Cobalt Blue is associated with intensity, clarity, and confidence. In design and branding, it's chosen to evoke exactly these qualities — which is why the color behind an app's screenshots and store presence does so much quiet work before anyone reads a word.

As a vivid, dark, balanced color (HSL 215°, 100%, 34%), cobalt blue reads as balanced and versatile. That temperature matters in design: balanced tones adapt to whatever you pair them with, which is worth keeping in mind when you decide what role this color plays in your layout.

Color psychology of Cobalt Blue

Colors shape how people feel before they consciously register why. Cobalt Blue, with its associations of intensity, clarity, and confidence, sends a specific signal — and using it deliberately means matching that signal to your product. A meditation app and a finance app both benefit from intentional color, but rarely the same one. The question isn't whether cobalt blue is "good," but whether the feeling it carries matches the story you want your app to tell.

Using Cobalt Blue in app screenshots & UI

If you're designing App Store or Google Play screenshots, cobalt blue works as a background or accent when it fits your brand's personality. A few practical notes:

• As a background: use it full-bleed behind a device frame, and put your caption in white for contrast.
• As an accent: reserve it for highlights — a key word in your caption, an arrow, a badge — against a neutral background.
• Pairing: use its complementary color #AD6500 sparingly for contrast, or the analogous tones #0E00AD / #009FAD for a calmer, cohesive look.
• Consistency: use the same shade across all your screenshots so the set reads as one intentional design, not a patchwork.
• Thumbnail test: shrink your screenshot to search-result size and check the color still reads and the text stays legible.

FAQ

What does the color Cobalt Blue symbolize?

Cobalt Blue is associated with intensity, clarity, and confidence.

What is the hex code for Cobalt Blue?

#0047AB — RGB 0, 71, 171, HSL 215°, 100%, 34%, CMYK 100%, 58%, 0%, 33%.

What colors go well with Cobalt Blue?

Its complementary color is #AD6500. For softer pairings, try the analogous colors #0E00AD and #009FAD, or build a monochromatic set from its tints and shades above.

Is Cobalt Blue a warm or cool color?

Cobalt Blue is a balanced color. It sits between warm and cool, making it flexible to pair.

What text color is readable on Cobalt Blue?

Use white or light text on a cobalt blue background for the best contrast and legibility.

Is Cobalt Blue good for app screenshots?

It can be, if it matches your brand. Use it consistently, keep captions high-contrast, and test how it looks at small thumbnail sizes in search results.

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