Astronaut

#2A3171

General Information about #2A3171

The hex color #2a3171, also known as Astronaut, is a dark shade of blue-violet. It belongs to the blue color family and possesses a certain depth and sophistication. In the RGB color model, it is composed of 16.47% red, 19.22% green, and 44.31% blue. Its CMYK values are 0.63, 0.57, 0.00, 0.56. The hexadecimal color system is widely used in web design and digital graphics for its precision and ease of use. Colors like #2a3171 are often chosen to evoke feelings of trust, stability, and intelligence. The color's darker tone makes it versatile for use as a background or accent color, depending on the overall design goals. Its appearance can subtly change depending on the surrounding light and colors.

The hex color #2a3171, also known as Astronaut, presents some accessibility challenges, primarily due to its dark nature. When used as a background color, sufficient contrast with text is crucial. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. This color may not meet these ratios with lighter shades of gray or even some yellows. Therefore, pairing it with very light colors like white (#ffffff) or a light yellow (#ffffcc) is essential to ensure readability. It's also important to consider users with visual impairments who may struggle with low contrast. Providing alternative color schemes or a high-contrast mode can significantly improve the experience for these individuals. In user interface design, ensure that interactive elements like buttons and links are clearly distinguishable, potentially by using contrasting borders or hover effects.

Shades

Digital Color Formats

RGB
42 49 113
RGB42 49 113
Red
Green
Blue
HSL
234.08deg 45.81% 30.39%
234.0845.8130.39HSL
Hue
Saturation
Lightness
HWB
234.08deg 16.47% 55.69%
234.0816.4755.69HWB
Hue
Whiteness
Blackness
hex#2A3171
rgb42 49 113
hsl234.08deg 45.81% 30.39%
cmyk62.83% 56.64% 0% 55.69%
hwb234.08deg 16.47% 55.69%
xyz-d650.05 0.04 0.16
oklch0.3458 0.1095 274.47
oklab0.3458 0.01 -0.11
CMYK
62.83% 56.64% 0% 55.69%
62.8356.64055.69CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.04 0.16
0.050.040.16XYZ
X
Y
Z
OKLCH
0.3458 0.1095 274.47
0.34580.1095274.47LCH
Lightness
Chroma
Hue
OKLAB
0.3458 0.01 -0.11
0.34580.01-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons