Cerulean Blue

#303AE8

General Information about Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #303AE8, is a vibrant and captivating shade of blue located within the blue-violet spectrum. It derives its name from cerulean, referring to the color of the clear blue sky. This particular hue is known for its energetic and eye-catching quality, making it a popular choice in various design applications. It's a saturated color that often evokes feelings of creativity, inspiration, and openness. In color theory, cerulean blue is positioned between true blue and a violet shade, contributing to its unique visual appeal. Its RGB (Red, Green, Blue) values are R: 48, G: 58, and B: 232, indicating a high proportion of blue light, while its CMYK (Cyan, Magenta, Yellow, Key/Black) values reflect the ink percentages needed for print reproduction.

The hex color #303AE8, a vibrant cerulean blue, presents some accessibility considerations for web design. Its luminance value requires careful pairing with text and background colors to ensure sufficient contrast. When used as a background, it's essential to choose a light text color like white or a very pale yellow to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratio (at least 4.5:1 for normal text and 3:1 for large text). Similarly, if #303AE8 is used for text, a dark background is needed. Using contrast checking tools is highly recommended to verify compliance. Avoid using this color for critical information or interactive elements without proper contrast, as it may be difficult for users with visual impairments to perceive. Careful consideration of color blindness should also be taken into account, where alternative visual cues or text descriptions are needed to supplement color-coded information.

Shades

Digital Color Formats

RGB
48 58 232
RGB48 58 232
Red
Green
Blue
HSL
236.74deg 80% 54.9%
236.748054.9HSL
Hue
Saturation
Lightness
HWB
236.74deg 18.82% 9.02%
236.7418.829.02HWB
Hue
Whiteness
Blackness
hex#303AE8
rgb48 58 232
hsl236.74deg 80% 54.9%
cmyk79.31% 75% 0% 9.02%
hwb236.74deg 18.82% 9.02%
xyz-d650.17 0.09 0.77
oklch0.4793 0.2527 269.72
oklab0.4793 0 -0.25
CMYK
79.31% 75% 0% 9.02%
79.317509.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.17 0.09 0.77
0.170.090.77XYZ
X
Y
Z
OKLCH
0.4793 0.2527 269.72
0.47930.2527269.72LCH
Lightness
Chroma
Hue
OKLAB
0.4793 0 -0.25
0.47930-0.25LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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