Astronaut Blue

#004A63

About Astronaut Blue (#004A63)

The hexadecimal color #004A63, also known as Astronaut Blue, is a dark, muted shade of cyan-blue. It is composed of 0% red, 29% green, and 39% blue. In the RGB color model, it is represented as (0, 74, 99). The color is often associated with tranquility, trust, and stability. Its relatively low saturation and dark value give it a sophisticated and calming appearance. This color is frequently used in corporate branding, websites, and design projects where a sense of professionalism and reliability is desired. The color's association with the deep sea or outer space further contributes to its sense of mystery and exploration.

The hex color #004a63, also known as Astronaut Blue, presents some accessibility considerations for web developers. Its dark hue results in a relatively low contrast ratio when paired with standard white text, potentially making it difficult for users with visual impairments to read. To ensure inclusivity, it's crucial to use this color with lighter shades of text or backgrounds to meet WCAG (Web Content Accessibility Guidelines) standards for contrast. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended. Additionally, providing alternative text for any images or graphical elements using this color is important for screen reader users. Thoughtful color combinations and adherence to accessibility guidelines will make your website more usable for everyone.

Shades

Digital Color Formats

RGB
0 74 99
RGB0 74 99
Red
Green
Blue
HSL
195.15deg 100% 19.41%
195.1510019.41HSL
Hue
Saturation
Lightness
HWB
195.15deg 0% 61.18%
195.15061.18HWB
Hue
Whiteness
Blackness
hex#004A63
rgb0 74 99
hsl195.15deg 100% 19.41%
cmyk100% 25.25% 0% 61.18%
hwb195.15deg 0% 61.18%
xyz-d650.05 0.06 0.13
oklch0.3827 0.0756 229.18
oklab0.3827 -0.05 -0.06
CMYK
100% 25.25% 0% 61.18%
10025.25061.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.06 0.13
0.050.060.13XYZ
X
Y
Z
OKLCH
0.3827 0.0756 229.18
0.38270.0756229.18LCH
Lightness
Chroma
Hue
OKLAB
0.3827 -0.05 -0.06
0.3827-0.05-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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