Astronaut

#1F3579

General Information

#1F3579, known as Astronaut, is a deep, saturated blue color. In the RGB color model, it is composed of 12.2% red, 21.96% green, and 47.45% blue. Its use can evoke feelings of professionalism, intelligence, and stability, which may remind us of the vastness of the sea and the calm of the night sky. This color is frequently used in corporate branding and websites to convey trust and reliability. Because of its dark nature, it is important to pair #1F3579 with lighter, contrasting colors to ensure readability and accessibility. This hexadecimal code can be easily implemented in HTML and CSS for web development, as well as in various graphic design software for creating visual content. It can be a great choice to use this color as a background for text to ensure good contrast.

The hex color #1F3579, also known as Astronaut, presents several accessibility considerations for web design. Its dark hue means that it requires light-colored text to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #1F3579 as a background, it is crucial to test the contrast ratio with your chosen text color to meet these standards. Failure to do so can exclude users with visual impairments, making the content difficult or impossible to read. Tools like WebAIM's Contrast Checker can be used to verify contrast ratios. Additionally, avoid relying solely on color to convey information; use text labels or icons to provide alternative cues for users who may have color vision deficiencies. Remember to consider all users when making design choices.

Shades

Digital Color Formats

RGB
31 53 121
RGB31 53 121
Red
Green
Blue
HSL
225.33deg 59.21% 29.8%
225.3359.2129.8HSL
Hue
Saturation
Lightness
HWB
225.33deg 12.16% 52.55%
225.3312.1652.55HWB
Hue
Whiteness
Blackness
hex#1F3579
rgb31 53 121
hsl225.33deg 59.21% 29.8%
cmyk74.38% 56.2% 0% 52.55%
hwb225.33deg 12.16% 52.55%
xyz-d650.05 0.04 0.19
oklch0.3543 0.1194 266.68
oklab0.3543 -0.01 -0.12
CMYK
74.38% 56.2% 0% 52.55%
74.3856.2052.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.04 0.19
0.050.040.19XYZ
X
Y
Z
OKLCH
0.3543 0.1194 266.68
0.35430.1194266.68LCH
Lightness
Chroma
Hue
OKLAB
0.3543 -0.01 -0.12
0.3543-0.01-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons