Astronaut

#213E7A

General Information about #213E7A

The hexadecimal color code #213E7A represents a dark shade of blue, often referred to as "Astronaut". It is composed of 12.9% red, 24.3% green, and 47.8% blue. In the RGB color model, this translates to R:33, G:62, B:122. In the CMYK color model, it is composed of 73% cyan, 49% magenta, 0% yellow and 52% black. This color is commonly associated with feelings of trust, stability, and depth. Dark blue hues like #213E7A are often used in corporate branding to convey a sense of professionalism and reliability. Its hexadecimal representation means that it can be directly used in HTML and CSS for styling web pages.

The hex color #213E7A, also known as Astronaut, presents some accessibility challenges, especially when used for text. Its relatively low luminance necessitates careful consideration of contrast ratios. According to WCAG guidelines, sufficient contrast is crucial for readability, particularly for users with visual impairments. When using #213E7A for text, it is essential to pair it with a light background color to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Failure to meet these contrast requirements can make content difficult or impossible to read for some users. Conversely, using #213E7A as a background color requires pairing with a very light foreground color. Tools are available online to check the contrast ratio between different color combinations to ensure web content is accessible. Remember to check color combinations with a color contrast analyzer!

Shades

Digital Color Formats

RGB
33 62 122
RGB33 62 122
Red
Green
Blue
HSL
220.45deg 57.42% 30.39%
220.4557.4230.39HSL
Hue
Saturation
Lightness
HWB
220.45deg 12.94% 52.16%
220.4512.9452.16HWB
Hue
Whiteness
Blackness
hex#213E7A
rgb33 62 122
hsl220.45deg 57.42% 30.39%
cmyk72.95% 49.18% 0% 52.16%
hwb220.45deg 12.94% 52.16%
xyz-d650.06 0.05 0.19
oklch0.3764 0.1082 262.9
oklab0.3764 -0.01 -0.11
CMYK
72.95% 49.18% 0% 52.16%
72.9549.18052.16CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.19
0.060.050.19XYZ
X
Y
Z
OKLCH
0.3764 0.1082 262.9
0.37640.1082262.9LCH
Lightness
Chroma
Hue
OKLAB
0.3764 -0.01 -0.11
0.3764-0.01-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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