Cerulean Blue

#2F57B7

General Information

Cerulean Blue, represented by the hexadecimal color code #2F57B7, is a captivating shade of blue that evokes feelings of calmness and serenity. It's a color often associated with the sky and sea, making it a popular choice in various design applications. Cerulean Blue is a tertiary color, created by mixing primary blue with a hint of green. Its unique hue sets it apart from other blues, offering a distinctive and memorable visual experience. In color psychology, Cerulean Blue is believed to promote relaxation, trust, and stability, making it a versatile color for branding, marketing, and artistic expression. Moreover, it exhibits different characteristics when displayed under different lighting sources. For example, the color might appear brighter when it is under natural lighting. Meanwhile, under artificial lighting, it can appear darker, which makes it crucial to adjust the original hex code based on the environment where the color will be displayed.

The hex color #2F57B7, also known as Cerulean Blue, presents moderate accessibility challenges. Its contrast ratio against white is approximately 4.7:1, which meets the WCAG AA standard for normal text but falls short for larger text and graphical elements. When used as text on a white background, users with moderate visual impairments may find it readable, but those with more severe impairments might struggle. To improve accessibility, consider using a lighter background or a darker text color to increase contrast. When pairing with other colors, ensure sufficient contrast exists between them to meet accessibility guidelines. Tools like contrast checkers can help determine if color combinations provide adequate contrast for users with visual impairments. Remember that color alone should not be used to convey important information; supplement it with text or icons.

Shades

Digital Color Formats

RGB
47 87 183
RGB47 87 183
Red
Green
Blue
HSL
222.35deg 59.13% 45.1%
222.3559.1345.1HSL
Hue
Saturation
Lightness
HWB
222.35deg 18.43% 28.24%
222.3518.4328.24HWB
Hue
Whiteness
Blackness
hex#2F57B7
rgb47 87 183
hsl222.35deg 59.13% 45.1%
cmyk74.32% 52.46% 0% 28.24%
hwb222.35deg 18.43% 28.24%
xyz-d650.13 0.11 0.46
oklch0.4839 0.1589 264.26
oklab0.4839 -0.02 -0.16
CMYK
74.32% 52.46% 0% 28.24%
74.3252.46028.24CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.11 0.46
0.130.110.46XYZ
X
Y
Z
OKLCH
0.4839 0.1589 264.26
0.48390.1589264.26LCH
Lightness
Chroma
Hue
OKLAB
0.4839 -0.02 -0.16
0.4839-0.02-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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