Cerulean Blue

#304EB6

General Information about Cerulean Blue (#304EB6)

The hexadecimal color #304EB6, commonly known as Cerulean Blue, is a vibrant and captivating shade of blue. It lies in the blue-violet spectrum, exhibiting a mix of calmness and energy. This color is derived from the mineral cerulean, which contains cobalt. Cerulean Blue is widely used in various design applications, from web interfaces to branding materials. Its hex code #304EB6 signifies its composition: 30 represents the red component, 4E signifies the green component, and B6 signifies the blue component. The color is often associated with tranquility, peace, and stability. In color psychology, blue is known to evoke feelings of trust, security, and confidence, making it a popular choice for corporate identities and digital platforms aiming to establish reliability and professionalism.

The color #304EB6, a shade of Cerulean Blue, presents moderate accessibility challenges. Its contrast ratio against white is approximately 3.7:1, falling short of the WCAG's minimum recommendation of 4.5:1 for standard text and 3:1 for large text. Therefore, using #304EB6 for text on a white background may not be legible for all users, especially those with visual impairments. To improve accessibility, consider using a lighter background color or darkening the text color. When paired with dark backgrounds, #304EB6 offers much better contrast and meets accessibility standards more effectively. Ensuring sufficient contrast is crucial for readability and usability, contributing to a more inclusive web experience. Tools like contrast checkers can help determine if a color combination meets accessibility guidelines. Additionally, consider providing alternative text or visual cues for elements using this color to further enhance accessibility.

Shades

Digital Color Formats

RGB
48 78 182
RGB48 78 182
Red
Green
Blue
HSL
226.57deg 58.26% 45.1%
226.5758.2645.1HSL
Hue
Saturation
Lightness
HWB
226.57deg 18.82% 28.63%
226.5718.8228.63HWB
Hue
Whiteness
Blackness
hex#304EB6
rgb48 78 182
hsl226.57deg 58.26% 45.1%
cmyk73.63% 57.14% 0% 28.63%
hwb226.57deg 18.82% 28.63%
xyz-d650.12 0.09 0.45
oklch0.4652 0.1685 267.25
oklab0.4652 -0.01 -0.17
CMYK
73.63% 57.14% 0% 28.63%
73.6357.14028.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.45
0.120.090.45XYZ
X
Y
Z
OKLCH
0.4652 0.1685 267.25
0.46520.1685267.25LCH
Lightness
Chroma
Hue
OKLAB
0.4652 -0.01 -0.17
0.4652-0.01-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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