Astronaut Blue

#013B5D

General Information about #013B5D

The hexadecimal color code #013B5D represents a dark shade of blue, often associated with feelings of trust, stability, and professionalism. In the RGB color model, it is composed of 0.4% red, 23.1% green, and 36.5% blue. The corresponding CMYK values are 99% cyan, 37% magenta, 0% yellow, and 63% black. This color is often referred to as "Astronaut Blue". Colors similar to #013B5D include various shades of navy and deep blues. Because of its relative low lightness, it's perceived as a darker color with a calming and sophisticated effect. It has an approximate wavelength of 476.84 nm.

The color #013B5D, a dark shade of blue, presents some accessibility challenges, primarily related to color contrast. When used as a background color, it's crucial to ensure that any foreground text or elements have sufficient contrast to be easily readable. 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 lighter colors like white, light gray, or a lighter shade of blue or green for text on a #013B5D background can help meet these requirements. Tools like online contrast checkers can be invaluable in verifying compliance. Additionally, avoid relying solely on color to convey important information, as users with color vision deficiencies may not be able to distinguish between certain colors. Instead, use text labels, icons, or other visual cues to ensure accessibility for all users. Also, be aware that very dark colors may cause eye strain when used for prolonged periods. Consider alternative color palettes or user-adjustable themes to mitigate this issue.

Shades

Digital Color Formats

RGB
1 59 93
RGB1 59 93
Red
Green
Blue
HSL
202.17deg 97.87% 18.43%
202.1797.8718.43HSL
Hue
Saturation
Lightness
HWB
202.17deg 0.39% 63.53%
202.170.3963.53HWB
Hue
Whiteness
Blackness
hex#013B5D
rgb1 59 93
hsl202.17deg 97.87% 18.43%
cmyk98.92% 36.56% 0% 63.53%
hwb202.17deg 0.39% 63.53%
xyz-d650.04 0.04 0.11
oklch0.338 0.0802 242.52
oklab0.338 -0.04 -0.07
CMYK
98.92% 36.56% 0% 63.53%
98.9236.56063.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.11
0.040.040.11XYZ
X
Y
Z
OKLCH
0.338 0.0802 242.52
0.3380.0802242.52LCH
Lightness
Chroma
Hue
OKLAB
0.338 -0.04 -0.07
0.338-0.04-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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