Astronaut

#233B78

General Information

The hexadecimal color #233B78, also known as Astronaut, is a dark shade of blue that evokes feelings of calmness, intelligence, and sophistication. It is composed of 13.73% red, 23.14% green, and 47.06% blue. This color resides within the blue hue range on the color wheel. Colors like this are often associated with trust, stability, and authority, making it a popular choice for corporate branding and professional environments. Its relatively low saturation and luminance contribute to its serious and reliable appearance. In color psychology, dark blues are often linked to knowledge, power, integrity, and seriousness. Therefore, #233B78 is a great choice to visually communicate stability and professionalism.

The hex color #233b78, often referred to as Astronaut, presents specific accessibility considerations for web development. Its relatively low luminance value means it requires careful pairing with contrasting colors to ensure readability, especially for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using #233b78 as a background color necessitates light-colored text to meet these criteria. Tools like contrast checkers can assist in verifying sufficient contrast. When using this color for interactive elements like buttons or links, providing clear visual cues such as hover effects is crucial to enhance usability and ensure that users can easily identify interactive elements on the page.

Shades

Digital Color Formats

RGB
35 59 120
RGB35 59 120
Red
Green
Blue
HSL
223.06deg 54.84% 30.39%
223.0654.8430.39HSL
Hue
Saturation
Lightness
HWB
223.06deg 13.73% 52.94%
223.0613.7352.94HWB
Hue
Whiteness
Blackness
hex#233B78
rgb35 59 120
hsl223.06deg 54.84% 30.39%
cmyk70.83% 50.83% 0% 52.94%
hwb223.06deg 13.73% 52.94%
xyz-d650.06 0.05 0.18
oklch0.369 0.1085 265.31
oklab0.369 -0.01 -0.11
CMYK
70.83% 50.83% 0% 52.94%
70.8350.83052.94CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.18
0.060.050.18XYZ
X
Y
Z
OKLCH
0.369 0.1085 265.31
0.3690.1085265.31LCH
Lightness
Chroma
Hue
OKLAB
0.369 -0.01 -0.11
0.369-0.01-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons