Astronaut Blue

#0A3D63

General Information about Astronaut Blue

The hex color #0A3D63, also known as Astronaut Blue, is a deep, muted shade of blue that evokes feelings of calmness, stability, and sophistication. In the RGB color model, it is composed of 3.92% red, 23.92% green, and 38.82% blue. In the CMYK color model, used for printing, it consists of 90% cyan, 38% magenta, 0% yellow, and 61% black. This color is often associated with professionalism and trustworthiness, making it a popular choice for corporate branding and website design. Its relatively low saturation gives it a subtle and understated appearance, lending a sense of understated elegance to various applications. Understanding its composition and properties is essential for designers and developers seeking to effectively utilize this color in their projects.

The color #0A3D63, a deep, muted blue, presents some accessibility challenges, particularly concerning color contrast. When using this color for text or interactive elements, it is crucial to ensure sufficient contrast against the background. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using a lighter color like white or a pale yellow as the foreground text on a #0A3D63 background can help meet these requirements. Tools like online contrast checkers can be valuable in verifying compliance. Also, avoid using color alone to convey important information; supplement it with text labels or other visual cues to ensure accessibility for users with color vision deficiencies. Considering these factors will contribute to a more inclusive and user-friendly design.

Shades

Digital Color Formats

RGB
10 61 99
RGB10 61 99
Red
Green
Blue
HSL
205.62deg 81.65% 21.37%
205.6281.6521.37HSL
Hue
Saturation
Lightness
HWB
205.62deg 3.92% 61.18%
205.623.9261.18HWB
Hue
Whiteness
Blackness
hex#0A3D63
rgb10 61 99
hsl205.62deg 81.65% 21.37%
cmyk89.9% 38.38% 0% 61.18%
hwb205.62deg 3.92% 61.18%
xyz-d650.04 0.04 0.12
oklch0.3494 0.0836 246.73
oklab0.3494 -0.03 -0.08
CMYK
89.9% 38.38% 0% 61.18%
89.938.38061.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.12
0.040.040.12XYZ
X
Y
Z
OKLCH
0.3494 0.0836 246.73
0.34940.0836246.73LCH
Lightness
Chroma
Hue
OKLAB
0.3494 -0.03 -0.08
0.3494-0.03-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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