Cerulean Blue

#305BB6

General Information about Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #305BB6, is a captivating shade of blue that falls within the cyan-blue color spectrum. It is named after the color of a clear blue sky, reminiscent of the pigment derived from ceruleum, a magnesium stannate. This hue is often associated with calmness, serenity, and openness. In the RGB color model, #305BB6 is composed of 18.82% red, 35.69% green, and 71.37% blue. Its CMYK values are 0.74, 0.50, 0.00, 0.29. The color is widely utilized in various applications, ranging from art and design to fashion and technology. Its versatility allows it to evoke different moods and impressions, depending on the context and surrounding colors. It’s a color that carries a sense of tranquility and evokes a feeling of connection with nature, particularly the sky and ocean.

The hex color #305BB6, also known as Cerulean Blue, presents certain accessibility considerations for web design. Its luminance value requires careful selection of foreground text colors. For optimal readability, pairing it with white (#FFFFFF) offers sufficient contrast, meeting WCAG (Web Content Accessibility Guidelines) standards for normal text. Using black (#000000) may not provide adequate contrast, especially for smaller text sizes. When employing this color for interactive elements like buttons or links, ensure that hover, focus, and active states have distinct visual cues. These cues could include changes in color, size, or the addition of an underline. It is crucial to test color combinations with accessibility tools to confirm compliance with WCAG AA or AAA standards, guaranteeing an inclusive user experience for individuals with visual impairments.

Shades

Digital Color Formats

RGB
48 91 182
RGB48 91 182
Red
Green
Blue
HSL
220.75deg 58.26% 45.1%
220.7558.2645.1HSL
Hue
Saturation
Lightness
HWB
220.75deg 18.82% 28.63%
220.7518.8228.63HWB
Hue
Whiteness
Blackness
hex#305BB6
rgb48 91 182
hsl220.75deg 58.26% 45.1%
cmyk73.63% 50% 0% 28.63%
hwb220.75deg 18.82% 28.63%
xyz-d650.13 0.11 0.46
oklch0.492 0.1523 263.01
oklab0.492 -0.02 -0.15
CMYK
73.63% 50% 0% 28.63%
73.6350028.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.11 0.46
0.130.110.46XYZ
X
Y
Z
OKLCH
0.492 0.1523 263.01
0.4920.1523263.01LCH
Lightness
Chroma
Hue
OKLAB
0.492 -0.02 -0.15
0.492-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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