Astronaut Blue

#064561

General Information about Astronaut Blue

The hexadecimal color code #064561, also known as Astronaut Blue, is a dark, subdued shade of blue-cyan. It is composed of 2.35% red, 27.06% green, and 38.04% blue. In the RGB color model, this equates to RGB(6, 69, 97). The corresponding CMYK color code is C:94, M:29, Y:0, K:62. This color is often associated with feelings of calmness, stability, and professionalism. Due to its low saturation and dark nature, it can be effectively used in backgrounds and as an accent color to provide a sense of depth and sophistication. It is also a cool color, which can evoke a sense of tranquility and order.

The color #064561, also known as Astronaut Blue, presents significant accessibility challenges, especially concerning color contrast. When used as text against a white background, the contrast ratio is very low, making it difficult for users with visual impairments to read. To ensure accessibility, it is crucial to use this color with lighter backgrounds or as an accent color rather than primary text. A recommended approach is to pair it with colors that provide a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text, as defined by WCAG guidelines. Alternatives include using a lighter shade of blue or combining it with brighter, contrasting colors to improve readability and overall user experience. Furthermore, providing text alternatives and using ARIA attributes can enhance accessibility for screen reader users.

Shades

Digital Color Formats

RGB
6 69 97
RGB6 69 97
Red
Green
Blue
HSL
198.46deg 88.35% 20.2%
198.4688.3520.2HSL
Hue
Saturation
Lightness
HWB
198.46deg 2.35% 61.96%
198.462.3561.96HWB
Hue
Whiteness
Blackness
hex#064561
rgb6 69 97
hsl198.46deg 88.35% 20.2%
cmyk93.81% 28.87% 0% 61.96%
hwb198.46deg 2.35% 61.96%
xyz-d650.04 0.05 0.12
oklch0.3689 0.0749 234.87
oklab0.3689 -0.04 -0.06
CMYK
93.81% 28.87% 0% 61.96%
93.8128.87061.96CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.05 0.12
0.040.050.12XYZ
X
Y
Z
OKLCH
0.3689 0.0749 234.87
0.36890.0749234.87LCH
Lightness
Chroma
Hue
OKLAB
0.3689 -0.04 -0.06
0.3689-0.04-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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