Cerulean Blue

#2351B3

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2351B3, is a medium-dark shade of blue that evokes feelings of calmness, serenity, and stability. In the RGB color model, it is composed of 13.73% red, 31.76% green, and 70.2% blue. This specific combination of primary colors results in a hue that is often associated with the sky and the ocean. Cerulean Blue is widely used in various applications, including web design, graphic design, and branding, where a sense of trustworthiness and reliability is desired. Its versatility allows it to be paired effectively with a range of other colors, from neutral tones to more vibrant shades, depending on the desired aesthetic and message. The hex code #2351B3 is a specific point in the color spectrum, close to a medium dark vibrant blue.

The hex color #2351B3, also known as Cerulean Blue, presents some accessibility considerations for web developers. Its relatively low luminance can pose challenges when used as a background color, particularly with light text. To ensure readability, a high contrast ratio is crucial. Aim for a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text (14pt bold or 18pt regular) as specified by WCAG guidelines. Utilizing online contrast checkers can help verify compliance. When using this color for interactive elements, ensure sufficient visual cues beyond color alone are present to cater to users with color vision deficiencies. Implementing patterns, icons, or text labels alongside color changes can significantly improve usability for all users, including those with accessibility needs. Adequate testing with various color vision deficiency simulators is recommended to guarantee inclusive design practices.

Shades

Digital Color Formats

RGB
35 81 179
RGB35 81 179
Red
Green
Blue
HSL
220.83deg 67.29% 41.96%
220.8367.2941.96HSL
Hue
Saturation
Lightness
HWB
220.83deg 13.73% 29.8%
220.8313.7329.8HWB
Hue
Whiteness
Blackness
hex#2351B3
rgb35 81 179
hsl220.83deg 67.29% 41.96%
cmyk80.45% 54.75% 0% 29.8%
hwb220.83deg 13.73% 29.8%
xyz-d650.12 0.09 0.44
oklch0.4636 0.1642 262.8
oklab0.4636 -0.02 -0.16
CMYK
80.45% 54.75% 0% 29.8%
80.4554.75029.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.44
0.120.090.44XYZ
X
Y
Z
OKLCH
0.4636 0.1642 262.8
0.46360.1642262.8LCH
Lightness
Chroma
Hue
OKLAB
0.4636 -0.02 -0.16
0.4636-0.02-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons