Cerulean Blue

#2D49B9

General Information about Cerulean Blue

Cerulean Blue, with the hexadecimal color code #2D49B9, is a captivating shade of blue that sits between azure and sky blue. It is named after the color of the sky on a clear day, reminiscent of the cerulean ocean. The color is composed of 17.6% red, 28.6% green, and 72.5% blue. In the RGB color model, it's described as RGB(45, 73, 185). It is widely used in various fields, including art, fashion, and web design, to evoke feelings of calmness, serenity, and trust. Its popularity stems from its versatility and its ability to complement a wide range of other colors. Cerulean blue is frequently used in branding and marketing materials to convey a sense of reliability and stability.

The hex color #2D49B9, also known as Cerulean Blue, presents some accessibility considerations for web developers. Its relatively low luminance can cause contrast issues when used as text against a white or very light background. According to WCAG guidelines, sufficient contrast is crucial for readability, especially for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Therefore, when using #2D49B9 for text, it is advisable to pair it with a light color to meet these contrast requirements. Alternatively, when using #2D49B9 as a background, pairing it with white or a light color will improve readability. Ensure that interactive elements using this color have clear visual cues to enhance usability for all users. Careful consideration of color contrast ensures content is accessible and inclusive.

Shades

Digital Color Formats

RGB
45 73 185
RGB45 73 185
Red
Green
Blue
HSL
228deg 60.87% 45.1%
22860.8745.1HSL
Hue
Saturation
Lightness
HWB
228deg 17.65% 27.45%
22817.6527.45HWB
Hue
Whiteness
Blackness
hex#2D49B9
rgb45 73 185
hsl228deg 60.87% 45.1%
cmyk75.68% 60.54% 0% 27.45%
hwb228deg 17.65% 27.45%
xyz-d650.12 0.09 0.47
oklch0.4566 0.1795 267.74
oklab0.4566 -0.01 -0.18
CMYK
75.68% 60.54% 0% 27.45%
75.6860.54027.45CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.47
0.120.090.47XYZ
X
Y
Z
OKLCH
0.4566 0.1795 267.74
0.45660.1795267.74LCH
Lightness
Chroma
Hue
OKLAB
0.4566 -0.01 -0.18
0.4566-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons