Cerulean Blue

Cerulean Blue is a deep and vibrant shade of blue, reminiscent of the sky on a clear day but with greater intensity.

As a cool color, it carries subtle green undertones, setting it apart from a pure, primary blue and giving it a distinct character.

Cerulean Blue evokes feelings of tranquility and clarity, often associated with the vastness of a clear sky. In design, this shade, #2A52BE, can communicate trust, stability, and open communication.

Historically, its name derives from the Latin for "sky," and it was famously named Pantone's first Color of the Year in 2000, symbolizing the desire for inner peace and relaxation at the start of a new millennium.

Cerulean Blue, with its hex code #2A52BE, works well as a primary color for calls-to-action due to its confident presence. For a balanced interface, pair it with crisp whites and cool grays. To create a more energetic composition, consider accenting it with warmer complementary colors like a soft coral or a muted yellow, which can produce a striking visual effect.

While not a widely adopted color in branding—which presents an opportunity for distinction—shades similar to Cerulean Blue are used by companies like Sprout Social and Lugg. Its selective use suggests it's often chosen for brands wanting to project reliability and intelligence without resorting to a more conventional navy.

To see how Cerulean Blue functions in a practical setting, use the tools below. You can explore curated palettes, test color contrast for accessibility, and preview #2A52BE in real UI components from top applications.

To work with Cerulean Blue in your projects, start with its hex code, #2A52BE, which is the standard for web design. For consistency across different media, you will need to convert this value into other color models.

Each color model serves a specific purpose. The RGB model (Red, Green, Blue) is for digital work, as it dictates how screens produce color with light. For print materials, you will need the CMYK values (Cyan, Magenta, Yellow, Key/Black), which guide physical ink mixing. Other codes like HSL (Hue, Saturation, Lightness) offer a more intuitive way to make color adjustments.

To support your workflow, we have converted #2A52BE into a range of popular formats below that you can copy directly into your design tools.