Cerulean Blue

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #1D4CB9, is a deep, cool blue hue often associated with serenity, stability, and trustworthiness. This particular shade of blue is created by blending red, green, and blue light at specific intensities. In the RGB color model, it comprises 11.4% red, 29.8% green, and 72.5% blue. The CMYK color model, used in printing, translates #1D4CB9 to approximately 84% cyan, 59% magenta, 0% yellow, and 27% black. Cerulean Blue is often used in branding, web design, and visual art to evoke feelings of calmness, reliability, and professionalism. Its association with the sky and ocean contributes to its calming effect, making it a popular choice for industries such as finance, healthcare, and technology.

The hex color #1D4CB9, also known as Cerulean Blue, presents some accessibility challenges primarily due to its relatively low luminance. When used as text, it may be difficult for users with visual impairments to read, especially against a dark background. According to WCAG guidelines, sufficient contrast between text and background colors is crucial for readability. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. To improve accessibility, consider using #1D4CB9 sparingly for text or pairing it with a much lighter background color such as white or a very light gray. For interactive elements like buttons, ensure that there is a clear visual indicator beyond color alone, such as a border or icon, to aid users who may have difficulty distinguishing colors. Additionally, providing alternative text descriptions for any images or graphical elements using this color can further enhance accessibility.

Shades

Digital Color Formats

Alternative colors

Applications

• Web Design

  In web design, Cerulean Blue (#1D4CB9) can be used to create a sense of calmness and professionalism. It's suitable for header backgrounds, call-to-action buttons (when paired with a contrasting color for text), and subtle accents. This color evokes trust and stability, making it ideal for websites in the finance, healthcare, and technology sectors. However, its relatively low luminance requires careful consideration of contrast ratios with text and other elements to ensure accessibility. Use it sparingly for text unless paired with a very light background to maintain readability. Consider using it in gradients with lighter blues or whites to create a modern and engaging aesthetic.

• Interior Design

  In interior design, Cerulean Blue can be used as an accent color in living rooms or bedrooms to create a calming and serene atmosphere. It pairs well with neutral colors like beige, gray, and white. It can also be used in bathrooms to evoke a sense of cleanliness and tranquility. Use it on walls, upholstery, or decorative accessories like pillows and curtains. When using Cerulean Blue in interior design, consider the lighting in the room, as it may appear darker in low-light conditions. Balance the blue with warm tones like wood or gold accents to prevent the space from feeling too cold.

• Fashion

  In fashion, Cerulean Blue can be incorporated into clothing and accessories to add a touch of sophistication and elegance. It's a versatile color that can be worn in both casual and formal settings. Cerulean Blue dresses, blouses, or sweaters can be paired with neutral bottoms like black or white pants or skirts. Accessorize with silver or gold jewelry to complement the blue. In menswear, Cerulean Blue shirts or ties can add a pop of color to a suit or blazer. When styling with Cerulean Blue, consider the season and occasion. Lighter shades of blue are suitable for spring and summer, while darker shades are more appropriate for fall and winter.

Complementary color

Buttons