Astronaut

#21397A

General Information about #21397A

The hexadecimal color code #21397A, also referred to as 'Astronaut', is a dark shade of blue, precisely a midnight blue. It is composed of 12.9% red, 22.4% green, and 47.8% blue. In the RGB color model, #21397A consists of 12.9% red, 22.4% green, and 47.8% blue. When converted to the CMYK color model, it comprises 73% cyan, 53% magenta, 0% yellow, and 52% black. This color is often associated with depth, stability, and trustworthiness. Its dark nature makes it suitable for applications requiring a sense of seriousness and formality. The name 'Astronaut' hints at its association with space and the cosmos.

The color #21397A, also known as Astronaut, presents some accessibility challenges. Its relatively low lightness value means that text rendered in this color requires careful consideration of contrast ratios. To ensure readability for users with visual impairments, it's crucial to pair this dark blue hue with a light-colored text, such as white or a very pale yellow. A contrast ratio of at least 4.5:1 is recommended for normal-sized text, and 3:1 for large text (14 point and bold or larger, or 18 point or larger). Utilizing tools that evaluate color contrast can help guarantee compliance with WCAG guidelines, improving the overall user experience and ensuring inclusivity for all users, including those with color vision deficiency.

Shades

Digital Color Formats

RGB
33 57 122
RGB33 57 122
Red
Green
Blue
HSL
223.82deg 57.42% 30.39%
223.8257.4230.39HSL
Hue
Saturation
Lightness
HWB
223.82deg 12.94% 52.16%
223.8212.9452.16HWB
Hue
Whiteness
Blackness
hex#21397A
rgb33 57 122
hsl223.82deg 57.42% 30.39%
cmyk72.95% 53.28% 0% 52.16%
hwb223.82deg 12.94% 52.16%
xyz-d650.06 0.05 0.19
oklch0.365 0.1149 265.72
oklab0.365 -0.01 -0.11
CMYK
72.95% 53.28% 0% 52.16%
72.9553.28052.16CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.19
0.060.050.19XYZ
X
Y
Z
OKLCH
0.365 0.1149 265.72
0.3650.1149265.72LCH
Lightness
Chroma
Hue
OKLAB
0.365 -0.01 -0.11
0.365-0.01-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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