Cerulean Blue

#1B4BCB

General Information about Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #1B4BCB, is a captivating shade of blue often associated with the sky and the sea. It is perceived as a calming and serene color, capable of evoking feelings of tranquility, stability, and trust. In color psychology, blue is frequently linked to intellect, communication, and efficiency, making it a popular choice for various applications, including branding and marketing. Cerulean blue, in particular, carries a sense of sophistication and elegance. It is neither too bright nor too dull, making it a versatile hue that can be incorporated into numerous design contexts to achieve a balanced and aesthetically pleasing result.

The hex color #1B4BCB, a shade of cerulean blue, presents some accessibility considerations, particularly concerning color contrast. When used as a background color, it is crucial to select text colors that provide sufficient contrast to ensure readability for individuals 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. Lighter shades of white, yellow, or other high-contrast colors would be suitable choices for text overlaid on this cerulean blue background. In situations where #1B4BCB is used for interactive elements such as buttons or links, it's essential to provide clear visual cues beyond color alone, such as underlines or borders, to ensure that users can easily identify and interact with these elements. Proper attention to color contrast and supplementary visual cues will contribute to a more inclusive and user-friendly experience.

Shades

Digital Color Formats

RGB
27 75 203
RGB27 75 203
Red
Green
Blue
HSL
223.64deg 76.52% 45.1%
223.6476.5245.1HSL
Hue
Saturation
Lightness
HWB
223.64deg 10.59% 20.39%
223.6410.5920.39HWB
Hue
Whiteness
Blackness
hex#1B4BCB
rgb27 75 203
hsl223.64deg 76.52% 45.1%
cmyk86.7% 63.05% 0% 20.39%
hwb223.64deg 10.59% 20.39%
xyz-d650.14 0.1 0.58
oklch0.4702 0.2047 264.12
oklab0.4702 -0.02 -0.2
CMYK
86.7% 63.05% 0% 20.39%
86.763.05020.39CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.1 0.58
0.140.10.58XYZ
X
Y
Z
OKLCH
0.4702 0.2047 264.12
0.47020.2047264.12LCH
Lightness
Chroma
Hue
OKLAB
0.4702 -0.02 -0.2
0.4702-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons