Cerulean

#0099E6

General Information about Cerulean

Cerulean, represented by the hex code #0099E6, is a vibrant and captivating shade of blue that evokes a sense of calmness and clarity. It belongs to the cyan-blue family, positioned between azure and sky blue on the color spectrum. The name 'Cerulean' originates from the Latin word 'caeruleus,' meaning 'dark blue' or 'sky-blue,' which perfectly captures the essence of this color. In color psychology, Cerulean is often associated with serenity, peace, and inspiration. It is believed to promote feelings of tranquility and mental clarity, making it a popular choice for designs aiming to create a soothing and inviting atmosphere. Its association with the sky and ocean further enhances its connection to nature and open spaces. In art, Cerulean is often used to depict skies, water, and other natural elements, adding depth and vibrancy to landscapes and seascapes.

The hex color #0099E6, also known as Cerulean, presents moderate accessibility challenges. Its contrast ratio against white (#FFFFFF) is approximately 2.3:1, which is below the WCAG (Web Content Accessibility Guidelines) recommended minimum of 4.5:1 for normal text and 3:1 for large text. This means that using #0099E6 for text on a white background may be difficult for users with visual impairments to read. For improved accessibility, consider using darker shades of blue or pairing it with a lighter color that provides sufficient contrast. When using this color for interactive elements, ensure that there are other visual cues besides color to indicate state changes, such as hover or focus. Providing alternative text descriptions for images and ensuring that all content is keyboard accessible will further enhance the usability of designs incorporating #0099E6.

Shades

Digital Color Formats

RGB
0 153 230
RGB0 153 230
Red
Green
Blue
HSL
200.09deg 100% 45.1%
200.0910045.1HSL
Hue
Saturation
Lightness
HWB
200.09deg 0% 9.8%
200.0909.8HWB
Hue
Whiteness
Blackness
hex#0099E6
rgb0 153 230
hsl200.09deg 100% 45.1%
cmyk100% 33.48% 0% 9.8%
hwb200.09deg 0% 9.8%
xyz-d650.26 0.28 0.79
oklch0.6543 0.1553 242.02
oklab0.6543 -0.07 -0.14
CMYK
100% 33.48% 0% 9.8%
10033.4809.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.26 0.28 0.79
0.260.280.79XYZ
X
Y
Z
OKLCH
0.6543 0.1553 242.02
0.65430.1553242.02LCH
Lightness
Chroma
Hue
OKLAB
0.6543 -0.07 -0.14
0.6543-0.07-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons