Astronaut Blue

#0B3A5E

General Information about #0B3A5E

The hex color #0b3a5e, also known as Astronaut Blue, is a dark and muted shade of blue. It belongs to the blue color family and possesses a relatively low saturation and brightness. In the RGB color model, it consists of 4.31% red, 22.75% green, and 36.86% blue. The color is often associated with feelings of calmness, stability, and professionalism. Its subdued nature makes it suitable for applications where a sense of seriousness or trustworthiness is desired. The name 'Astronaut Blue' suggests a connection to the vastness and mystery of space, further adding to its evocative qualities. The color is a tertiary color because it is created by mixing a primary color with a secondary color.

The hex color #0b3a5e, also known as Astronaut Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it is crucial to pair it with light-colored text to ensure readability. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text, as per WCAG guidelines. Using a color contrast checker is essential to verify compliance. Furthermore, consider users with visual impairments who may have difficulty distinguishing between similar shades. Providing alternative visual cues, such as underlines or icons, can enhance usability. It's also advisable to avoid relying solely on color to convey important information, as this can exclude users with color blindness. Always prioritize clear and accessible design practices to accommodate the widest possible audience.

Shades

Digital Color Formats

RGB
11 58 94
RGB11 58 94
Red
Green
Blue
HSL
206.02deg 79.05% 20.59%
206.0279.0520.59HSL
Hue
Saturation
Lightness
HWB
206.02deg 4.31% 63.14%
206.024.3163.14HWB
Hue
Whiteness
Blackness
hex#0B3A5E
rgb11 58 94
hsl206.02deg 79.05% 20.59%
cmyk88.3% 38.3% 0% 63.14%
hwb206.02deg 4.31% 63.14%
xyz-d650.04 0.04 0.11
oklch0.3383 0.0797 246.92
oklab0.3383 -0.03 -0.07
CMYK
88.3% 38.3% 0% 63.14%
88.338.3063.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.11
0.040.040.11XYZ
X
Y
Z
OKLCH
0.3383 0.0797 246.92
0.33830.0797246.92LCH
Lightness
Chroma
Hue
OKLAB
0.3383 -0.03 -0.07
0.3383-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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