Astronaut

#21377A

General Information about #21377A

The hexadecimal color #21377A, often referred to as 'Astronaut', is a deep, muted shade of blue with a touch of purple. In the RGB color model, it is composed of 13% red, 21.6% green, and 47.8% blue. In the CMYK color model, used in printing, it consists of 73% cyan, 55% magenta, 0% yellow, and 52% black. This color evokes feelings of sophistication, stability, and trustworthiness, making it a popular choice in various design fields. Its cool undertones can create a calming and professional atmosphere, suitable for corporate branding, web design, and even interior decoration. The color name 'Astronaut' further suggests themes of exploration, innovation, and vastness, aligning it with forward-thinking and ambitious projects.

The color #21377A, also known as Astronaut, presents some accessibility considerations for web development. Its relatively dark hue means careful attention must be paid to color contrast, especially concerning text. According to WCAG guidelines, sufficient contrast between text and background is crucial for readability, particularly for users with visual impairments. A minimum contrast ratio of 4.5:1 is recommended for standard text and 3:1 for large text. When using #21377A as a background color, lighter text colors should be chosen to ensure compliance. Tools like contrast checkers can help determine if the combination passes accessibility standards. Furthermore, avoid relying solely on color to convey important information; supplementary cues like text labels or icons should be included. Always test your designs with different color vision deficiency simulators to ensure content remains understandable for all users.

Shades

Digital Color Formats

RGB
33 55 122
RGB33 55 122
Red
Green
Blue
HSL
225.17deg 57.42% 30.39%
225.1757.4230.39HSL
Hue
Saturation
Lightness
HWB
225.17deg 12.94% 52.16%
225.1712.9452.16HWB
Hue
Whiteness
Blackness
hex#21377A
rgb33 55 122
hsl225.17deg 57.42% 30.39%
cmyk72.95% 54.92% 0% 52.16%
hwb225.17deg 12.94% 52.16%
xyz-d650.06 0.04 0.19
oklch0.3605 0.1176 266.73
oklab0.3605 -0.01 -0.12
CMYK
72.95% 54.92% 0% 52.16%
72.9554.92052.16CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.04 0.19
0.060.040.19XYZ
X
Y
Z
OKLCH
0.3605 0.1176 266.73
0.36050.1176266.73LCH
Lightness
Chroma
Hue
OKLAB
0.3605 -0.01 -0.12
0.3605-0.01-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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