Cerulean Blue

#2A5FBC

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2A5FBC, is a captivating shade of blue that lies between azure and sky blue on the color spectrum. It is named after the Latin word 'caeruleus,' meaning 'dark blue' or 'sky-colored.' This color evokes feelings of calmness, serenity, and stability. In color psychology, blue is often associated with trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Cerulean Blue, in particular, is known for its soothing and relaxing effects, making it a popular choice for branding, design, and various creative applications. The color has a rich history, being used in art, fashion, and even influencing cultural trends.

The hex color #2A5FBC, also known as Cerulean Blue, presents moderate accessibility challenges. Its contrast ratio against a white background is approximately 3.7:1, which is below the WCAG's minimum requirement of 4.5:1 for normal text. Therefore, using #2A5FBC for text on a white background may not be easily readable for users with visual impairments. To improve accessibility, consider using a darker shade of blue or a lighter background color to increase the contrast ratio. When using this color for interactive elements, ensure sufficient visual cues are present to aid users in understanding the element's function. Proper use of ARIA attributes can further enhance accessibility for assistive technologies.

Shades

Digital Color Formats

RGB
42 95 188
RGB42 95 188
Red
Green
Blue
HSL
218.22deg 63.48% 45.1%
218.2263.4845.1HSL
Hue
Saturation
Lightness
HWB
218.22deg 16.47% 26.27%
218.2216.4726.27HWB
Hue
Whiteness
Blackness
hex#2A5FBC
rgb42 95 188
hsl218.22deg 63.48% 45.1%
cmyk77.66% 49.47% 0% 26.27%
hwb218.22deg 16.47% 26.27%
xyz-d650.14 0.12 0.49
oklch0.5027 0.1574 260.74
oklab0.5027 -0.03 -0.16
CMYK
77.66% 49.47% 0% 26.27%
77.6649.47026.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.12 0.49
0.140.120.49XYZ
X
Y
Z
OKLCH
0.5027 0.1574 260.74
0.50270.1574260.74LCH
Lightness
Chroma
Hue
OKLAB
0.5027 -0.03 -0.16
0.5027-0.03-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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