Cerulean Blue

#2E51B8

General Information About Cerulean Blue

The hex color code #2E51B8 represents a shade of Cerulean Blue. It is composed of 18.04% red, 31.76% green, and 72.16% blue. In the RGB color model, this equates to 46 red, 81 green, and 184 blue. Cerulean Blue is often associated with feelings of calmness, stability, and trust. It is commonly used in various design applications, from web design to branding, to evoke a sense of professionalism and reliability. The color is named after the cerulean pigment, which is a deep-sky blue, derived from the Latin word "caeruleus", meaning "dark blue" or "blue-green". Cerulean Blue is valued for its versatility and ability to complement a wide range of other colors, making it a popular choice among designers and artists.

The color #2E51B8, a shade of Cerulean Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a foreground color for text, it requires careful selection of background colors to ensure readability, especially for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Pairing #2E51B8 with light yellows, creams, or whites can potentially meet these contrast requirements. However, using it with darker colors may result in insufficient contrast, making the text difficult to read. When using this color for interactive elements such as buttons or links, providing additional visual cues, like underlines or borders, is essential to enhance usability for all users. It is recommended to test color combinations using accessibility tools to guarantee compliance with accessibility standards and provide an inclusive user experience.

Shades

Digital Color Formats

RGB
46 81 184
RGB46 81 184
Red
Green
Blue
HSL
224.78deg 60% 45.1%
224.786045.1HSL
Hue
Saturation
Lightness
HWB
224.78deg 18.04% 27.84%
224.7818.0427.84HWB
Hue
Whiteness
Blackness
hex#2E51B8
rgb46 81 184
hsl224.78deg 60% 45.1%
cmyk75% 55.98% 0% 27.84%
hwb224.78deg 18.04% 27.84%
xyz-d650.13 0.1 0.47
oklch0.4719 0.168 265.92
oklab0.4719 -0.01 -0.17
CMYK
75% 55.98% 0% 27.84%
7555.98027.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.1 0.47
0.130.10.47XYZ
X
Y
Z
OKLCH
0.4719 0.168 265.92
0.47190.168265.92LCH
Lightness
Chroma
Hue
OKLAB
0.4719 -0.01 -0.17
0.4719-0.01-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons