Astronaut

#2B3970

General Information about #2B3970

The hexadecimal color #2B3970, also known as Astronaut, is a dark shade of blue tending towards indigo. It is composed of 17.1% red, 22.4% green, and 43.9% blue. In the RGB color model, this equates to values of R:43, G:57, B:112. The corresponding CMYK values are C:62, M:49, Y:0, K:56. The hue angle is 224.8 degrees, the saturation is 45.5%, and the lightness is 29.4%. Colors similar to #2B3970 often evoke feelings of calmness, stability, and sophistication. This color is frequently used in designs aiming to convey trust and authority. Its relatively low brightness suggests that it should be paired with lighter colors to ensure good contrast and readability, especially in textual elements.

The hex color #2B3970, also known as Astronaut, presents specific accessibility considerations for web development. Its dark hue means it requires careful pairing with lighter text or interface elements 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 #2B3970 as a background, ensure the foreground text meets these contrast ratios. Tools like the WebAIM Contrast Checker can help verify compliance. Insufficient contrast can lead to visual strain and make content inaccessible to users with low vision or color blindness. Consider using lighter shades of yellows, oranges or greens for the text to contrast well against the Astronaut background. Moreover, providing alternative text descriptions for images and interactive elements is crucial to make your website more inclusive.

Shades

Digital Color Formats

RGB
43 57 112
RGB43 57 112
Red
Green
Blue
HSL
227.83deg 44.52% 30.39%
227.8344.5230.39HSL
Hue
Saturation
Lightness
HWB
227.83deg 16.86% 56.08%
227.8316.8656.08HWB
Hue
Whiteness
Blackness
hex#2B3970
rgb43 57 112
hsl227.83deg 44.52% 30.39%
cmyk61.61% 49.11% 0% 56.08%
hwb227.83deg 16.86% 56.08%
xyz-d650.05 0.05 0.16
oklch0.3632 0.0962 270.3
oklab0.3632 0 -0.1
CMYK
61.61% 49.11% 0% 56.08%
61.6149.11056.08CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.05 0.16
0.050.050.16XYZ
X
Y
Z
OKLCH
0.3632 0.0962 270.3
0.36320.0962270.3LCH
Lightness
Chroma
Hue
OKLAB
0.3632 0 -0.1
0.36320-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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