Astronaut Blue

#003B5D

General Information about #003B5D

The color #003B5D, also known as Astronaut Blue, is a dark shade of cyan-blue. It is often associated with depth, stability, and knowledge. In color psychology, dark blues are often seen as trustworthy, dependable, and professional. This particular shade is reminiscent of deep-sea waters or the night sky, evoking a sense of calmness and introspection. It is a popular choice in corporate branding and web design due to its ability to convey reliability and sophistication. The hex code #003B5D indicates that there is no red, a moderate amount of green (3B in hexadecimal), and a substantial amount of blue (5D in hexadecimal), making it a cool and calming color.

The hex color #003b5d, also known as Astronaut Blue, presents some accessibility considerations for web development. Its relatively low luminance can pose challenges in terms of contrast, especially when used for text or interactive elements. According to WCAG guidelines, sufficient contrast between foreground and background colors is crucial for readability and usability, particularly for users with visual impairments. Therefore, when using #003b5d, it is essential to pair it with a light color for text or interactive elements to ensure adequate contrast. For instance, using white or a very light shade of yellow or green as the text color can significantly improve readability. Furthermore, avoid using #003b5d for critical UI elements without careful consideration of contrast ratios to prevent accessibility issues.

Shades

Digital Color Formats

RGB
0 59 93
RGB0 59 93
Red
Green
Blue
HSL
201.94deg 100% 18.24%
201.9410018.24HSL
Hue
Saturation
Lightness
HWB
201.94deg 0% 63.53%
201.94063.53HWB
Hue
Whiteness
Blackness
hex#003B5D
rgb0 59 93
hsl201.94deg 100% 18.24%
cmyk100% 36.56% 0% 63.53%
hwb201.94deg 0% 63.53%
xyz-d650.04 0.04 0.11
oklch0.3378 0.0806 242.27
oklab0.3378 -0.04 -0.07
CMYK
100% 36.56% 0% 63.53%
10036.56063.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.11
0.040.040.11XYZ
X
Y
Z
OKLCH
0.3378 0.0806 242.27
0.33780.0806242.27LCH
Lightness
Chroma
Hue
OKLAB
0.3378 -0.04 -0.07
0.3378-0.04-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons