Cerulean Blue

#303DE8

General Information about #303DE8

The hexadecimal color #303DE8 represents a specific shade of cerulean blue. It's composed of 19.8% red, 23.9% green, and 90.9% blue. In the RGB color model, this corresponds to the values R:48, G:61, B:232. The color's high blue component contributes to its vibrant and striking appearance. Cerulean blue is often associated with feelings of calmness, serenity, and inspiration. It is commonly used in various design applications to evoke these emotions. Understanding the color composition and its psychological effects can help designers effectively incorporate it into their projects.

The color #303DE8, a shade of cerulean blue, presents some accessibility challenges, especially when used as text or interactive elements. Its luminance value is relatively low, which can make it difficult to read against a dark background. To ensure readability, it's crucial to use a light-colored background. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text, as specified by WCAG guidelines. When using this color, provide sufficient contrast to accommodate users with visual impairments. Also, avoid using this color as the sole indicator for interactive elements; instead, use additional visual cues such as underlines or icons to ensure usability for all users.

Shades

Digital Color Formats

RGB
48 61 232
RGB48 61 232
Red
Green
Blue
HSL
235.76deg 80% 54.9%
235.768054.9HSL
Hue
Saturation
Lightness
HWB
235.76deg 18.82% 9.02%
235.7618.829.02HWB
Hue
Whiteness
Blackness
hex#303DE8
rgb48 61 232
hsl235.76deg 80% 54.9%
cmyk79.31% 73.71% 0% 9.02%
hwb235.76deg 18.82% 9.02%
xyz-d650.17 0.1 0.77
oklch0.4834 0.2499 269.5
oklab0.4834 0 -0.25
CMYK
79.31% 73.71% 0% 9.02%
79.3173.7109.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.17 0.1 0.77
0.170.10.77XYZ
X
Y
Z
OKLCH
0.4834 0.2499 269.5
0.48340.2499269.5LCH
Lightness
Chroma
Hue
OKLAB
0.4834 0 -0.25
0.48340-0.25LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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