Cerulean Blue

#234FB3

General Information about Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #234FB3, is a captivating shade of blue with a slight green undertone. It is named after the color of cerulean, a sky-blue pigment derived from magnesium aluminum oxide. In the RGB color model, it consists of 13.73% red, 30.98% green, and 70.2% blue. Its CMYK values are 0.8, 0.56, 0.0, 0.3, indicating the proportions of cyan, magenta, yellow, and black inks needed to reproduce the color in print. Cerulean blue is associated with feelings of calmness, serenity, and stability. It is often used to evoke a sense of trust and professionalism. The name “cerulean” comes from the Latin word “caeruleus,” meaning dark blue or blue-green, which in turn is probably derived from “caelum,” meaning sky.

The color #234FB3, also known as Cerulean Blue, presents specific accessibility considerations for web developers. Its relatively low luminance value may cause issues regarding contrast. According to WCAG guidelines, sufficient contrast between foreground and background colors is crucial for users with visual impairments. When using #234FB3 for text, it is essential to pair it with a light background color to ensure readability. Tools are available to check the contrast ratio between colors and verify compliance with accessibility standards. Furthermore, consider providing alternative color schemes to allow users to customize their experience and further improve accessibility. Different users might have different perceptual abilities, and respecting their needs ensures a more inclusive web experience.

Shades

Digital Color Formats

RGB
35 79 179
RGB35 79 179
Red
Green
Blue
HSL
221.67deg 67.29% 41.96%
221.6767.2941.96HSL
Hue
Saturation
Lightness
HWB
221.67deg 13.73% 29.8%
221.6713.7329.8HWB
Hue
Whiteness
Blackness
hex#234FB3
rgb35 79 179
hsl221.67deg 67.29% 41.96%
cmyk80.45% 55.87% 0% 29.8%
hwb221.67deg 13.73% 29.8%
xyz-d650.12 0.09 0.44
oklch0.4595 0.1667 263.39
oklab0.4595 -0.02 -0.17
CMYK
80.45% 55.87% 0% 29.8%
80.4555.87029.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.44
0.120.090.44XYZ
X
Y
Z
OKLCH
0.4595 0.1667 263.39
0.45950.1667263.39LCH
Lightness
Chroma
Hue
OKLAB
0.4595 -0.02 -0.17
0.4595-0.02-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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