Astronaut

#273A71

General Information

The hex color #273A71, also recognized as "Astronaut," is a deep shade of blue often associated with sophistication, trust, and intelligence. In the RGB color model, it is composed of 15.3% red, 22.7% green, and 44.3% blue. This combination gives it a calming and intellectual feel. The CMYK values are 65.4% cyan, 48.7% magenta, 0% yellow, and 55.7% black. This color is often used in corporate branding to convey reliability and professionalism. In web design, it can be employed to create a sense of depth and trustworthiness, especially in headers or call-to-action buttons. Its versatility extends to interior design, where it can serve as an accent color to create a serene and sophisticated ambiance, making it a popular choice for various applications across different design fields. Because of its dark nature, it should be paired with lighter colors to enhance contrast and readability.

The hex color #273A71, also known as Astronaut, presents some accessibility challenges, especially when used for text or interactive elements. Its relatively low lightness value (approximately 20%) means that it requires careful consideration of contrast ratios to ensure readability and usability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text against its background. When using #273A71, it is crucial to pair it with lighter colors to meet these contrast requirements. White or very light shades of yellow or green would be appropriate choices for text or interactive elements on a #273A71 background. Insufficient contrast can make it difficult for users with visual impairments to perceive the content, leading to a poor user experience. Therefore, designers and developers should always use contrast checking tools to verify the compliance of their color combinations with accessibility standards when using this color.

Shades

Digital Color Formats

RGB
39 58 113
RGB39 58 113
Red
Green
Blue
HSL
224.59deg 48.68% 29.8%
224.5948.6829.8HSL
Hue
Saturation
Lightness
HWB
224.59deg 15.29% 55.69%
224.5915.2955.69HWB
Hue
Whiteness
Blackness
hex#273A71
rgb39 58 113
hsl224.59deg 48.68% 29.8%
cmyk65.49% 48.67% 0% 55.69%
hwb224.59deg 15.29% 55.69%
xyz-d650.05 0.05 0.16
oklch0.3637 0.0977 267.15
oklab0.3637 0 -0.1
CMYK
65.49% 48.67% 0% 55.69%
65.4948.67055.69CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.05 0.16
0.050.050.16XYZ
X
Y
Z
OKLCH
0.3637 0.0977 267.15
0.36370.0977267.15LCH
Lightness
Chroma
Hue
OKLAB
0.3637 0 -0.1
0.36370-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons