Cerulean Blue

#2E51C6

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2e51c6, is a medium-dark shade of blue with moderate saturation. It is located in the blue region of the color spectrum, and its RGB values are approximately R:46, G:81, B:198. In the CMYK color model, which is used in printing, its composition is approximately C:77, M:59, Y:0, K:22. The color is often associated with feelings of calmness, serenity, and trust, making it a popular choice in branding and design where these qualities are desired. Historically, cerulean blue pigment was derived from a chemical compound containing cobalt, and it has been used in art since the 19th century. It has since become associated with peace and tranquility.

The hex color #2e51c6, also known as Cerulean Blue, presents specific accessibility considerations for web developers. Its relatively low luminance value of approximately 0.2 necessitates careful pairing with text and background colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #2e51c6 for text, it is advisable to use a light background color like #ffffff (white) or other very light shades to meet accessibility standards. Conversely, if #2e51c6 is used as a background color, it's crucial to use light-colored text such as white or very pale yellow to guarantee readability for users with visual impairments. Tools and online contrast checkers can assist in verifying compliance with accessibility standards.

Shades

Digital Color Formats

RGB
46 81 198
RGB46 81 198
Red
Green
Blue
HSL
226.18deg 62.3% 47.84%
226.1862.347.84HSL
Hue
Saturation
Lightness
HWB
226.18deg 18.04% 22.35%
226.1818.0422.35HWB
Hue
Whiteness
Blackness
hex#2E51C6
rgb46 81 198
hsl226.18deg 62.3% 47.84%
cmyk76.77% 59.09% 0% 22.35%
hwb226.18deg 18.04% 22.35%
xyz-d650.14 0.11 0.55
oklch0.4835 0.1868 266.51
oklab0.4835 -0.01 -0.19
CMYK
76.77% 59.09% 0% 22.35%
76.7759.09022.35CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.11 0.55
0.140.110.55XYZ
X
Y
Z
OKLCH
0.4835 0.1868 266.51
0.48350.1868266.51LCH
Lightness
Chroma
Hue
OKLAB
0.4835 -0.01 -0.19
0.4835-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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