Cerulean Blue

#2255B4

General Information about Cerulean Blue (#2255B4)

Cerulean blue, represented by the hexadecimal color code #2255B4, is a captivating shade that falls within the blue color spectrum. It is characterized by its medium saturation and moderate brightness, making it a versatile choice for various applications. In the RGB color model, it consists of 13.33% red, 33.33% green, and 70.59% blue. The CMYK color model translates to 81.11% cyan, 52.38% magenta, 0% yellow, and 29.41% black. Historically, cerulean blue has been associated with tranquility, openness, and the vastness of the sky and sea. Its soothing nature makes it a popular choice in design and art, often evoking feelings of peace and serenity. Its usage in design can significantly impact the overall mood and perception of a project.

The color #2255B4, a shade of cerulean blue, presents moderate accessibility challenges. When used as text, it requires careful consideration of contrast ratios against background colors. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. This color may not meet these ratios against lighter backgrounds like white or very pale yellows, potentially causing readability issues for users with visual impairments. For buttons and interactive elements, sufficient contrast is crucial for users to perceive the interactive affordance. Designers should use contrast checking tools to ensure compliance and consider providing alternative color schemes that offer better contrast. Furthermore, relying solely on color to convey information should be avoided; supplementary cues like text labels or icons should be used to ensure inclusivity for color-blind users.

Shades

Digital Color Formats

RGB
34 85 180
RGB34 85 180
Red
Green
Blue
HSL
219.04deg 68.22% 41.96%
219.0468.2241.96HSL
Hue
Saturation
Lightness
HWB
219.04deg 13.33% 29.41%
219.0413.3329.41HWB
Hue
Whiteness
Blackness
hex#2255B4
rgb34 85 180
hsl219.04deg 68.22% 41.96%
cmyk81.11% 52.78% 0% 29.41%
hwb219.04deg 13.33% 29.41%
xyz-d650.12 0.1 0.44
oklch0.4725 0.1609 261.44
oklab0.4725 -0.02 -0.16
CMYK
81.11% 52.78% 0% 29.41%
81.1152.78029.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.1 0.44
0.120.10.44XYZ
X
Y
Z
OKLCH
0.4725 0.1609 261.44
0.47250.1609261.44LCH
Lightness
Chroma
Hue
OKLAB
0.4725 -0.02 -0.16
0.4725-0.02-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons