Cerulean Blue

#2551B1

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2551B1, is a captivating shade of blue that evokes feelings of tranquility and sophistication. This particular hue is composed of 14.5% red, 31.8% green, and 69.4% blue. In the RGB color model, these percentages combine to create the unique shade we recognize as Cerulean Blue. Cerulean is often associated with the sky and the ocean, and it's a color that has been used extensively in art, fashion, and design. In color psychology, blue is often linked to trustworthiness, stability, and calmness, making it a popular choice for corporate branding and websites aimed at building trust and credibility with their audience. The color's name, "Cerulean", is derived from the Latin word "caeruleus", meaning dark blue or blue-green.

The hex color #2551B1, also known as Cerulean Blue, presents moderate accessibility challenges. Its luminance value may not provide sufficient contrast against both light and dark backgrounds, potentially causing readability issues for users with visual impairments. To ensure optimal accessibility, it's recommended to pair this color with either very light or very dark shades. When using this color for text, consider increasing the font size or adding a text shadow to enhance legibility. Additionally, providing alternative color schemes or user-adjustable contrast settings can improve the overall user experience for individuals with diverse visual needs, ensuring that content remains accessible and engaging.

Shades

Digital Color Formats

RGB
37 81 177
RGB37 81 177
Red
Green
Blue
HSL
221.14deg 65.42% 41.96%
221.1465.4241.96HSL
Hue
Saturation
Lightness
HWB
221.14deg 14.51% 30.59%
221.1414.5130.59HWB
Hue
Whiteness
Blackness
hex#2551B1
rgb37 81 177
hsl221.14deg 65.42% 41.96%
cmyk79.1% 54.24% 0% 30.59%
hwb221.14deg 14.51% 30.59%
xyz-d650.12 0.09 0.43
oklch0.4627 0.161 263.08
oklab0.4627 -0.02 -0.16
CMYK
79.1% 54.24% 0% 30.59%
79.154.24030.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.43
0.120.090.43XYZ
X
Y
Z
OKLCH
0.4627 0.161 263.08
0.46270.161263.08LCH
Lightness
Chroma
Hue
OKLAB
0.4627 -0.02 -0.16
0.4627-0.02-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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