Cerulean Blue

#2A4EBC

General Information about #2A4EBC

The color #2A4EBC is a hexadecimal representation of a shade of blue known as Cerulean Blue. In the RGB color model, it consists of 16.47% red, 30.59% green, and 73.73% blue. This combination of red, green, and blue light creates the specific hue we perceive as Cerulean Blue. In the CMYK color model, used primarily for printing, it is composed of 77.6% cyan, 58.4% magenta, 0% yellow, and 26.3% black. This means that to create this color in print, you would need a significant amount of cyan and magenta, with no yellow ink at all, and a moderate amount of black to deepen the shade. Cerulean Blue is often associated with calmness, serenity, and stability. It's a popular choice for designs aiming to evoke feelings of trust and reliability. Its versatility allows it to be used in a wide range of applications, from digital interfaces to branding materials.

The hex color #2A4EBC, a shade of cerulean blue, presents some accessibility considerations for web development. When used as a background color, it requires careful selection of foreground text colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. White or very light shades of yellow or green could offer acceptable contrast. If using #2A4EBC for text, ensure a background color with significantly different luminance. Tools like contrast checkers can help verify compliance. Considering users with visual impairments is crucial, and proper color choices enhance readability and overall user experience. Furthermore, avoid relying solely on color to convey information; use text labels or icons as supplementary cues. When this cerulean blue is used for interactive elements, it is important to provide distinct visual cues, such as changes in brightness, color, or the addition of an underline or border on hover or focus. This ensures that users can easily identify interactive elements and understand their functionality.

Shades

Digital Color Formats

RGB
42 78 188
RGB42 78 188
Red
Green
Blue
HSL
225.21deg 63.48% 45.1%
225.2163.4845.1HSL
Hue
Saturation
Lightness
HWB
225.21deg 16.47% 26.27%
225.2116.4726.27HWB
Hue
Whiteness
Blackness
hex#2A4EBC
rgb42 78 188
hsl225.21deg 63.48% 45.1%
cmyk77.66% 58.51% 0% 26.27%
hwb225.21deg 16.47% 26.27%
xyz-d650.13 0.1 0.49
oklch0.4676 0.1782 265.86
oklab0.4676 -0.01 -0.18
CMYK
77.66% 58.51% 0% 26.27%
77.6658.51026.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.1 0.49
0.130.10.49XYZ
X
Y
Z
OKLCH
0.4676 0.1782 265.86
0.46760.1782265.86LCH
Lightness
Chroma
Hue
OKLAB
0.4676 -0.01 -0.18
0.4676-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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