Astronaut

#233D78

General Information about #233D78

The hexadecimal color #233D78, also known as Astronaut, is a dark shade of blue that evokes feelings of calmness, stability, and sophistication. It is composed of 13.73% red, 24.31% green, and 47.06% blue. In the RGB color model, #233D78 has values of 35 red, 61 green, and 120 blue. This color is often associated with trust, intelligence, and authority, making it a popular choice for branding and design where these qualities are desired. Its CMYK values are 0.71, 0.49, 0.00, 0.53, useful for printing purposes, indicating the percentages of cyan, magenta, yellow, and black inks needed to reproduce the color accurately. This color has a luminance of 0.16 and is best used in darker themed designs or offsetted by lighter colors.

The color #233D78, also known as Astronaut, presents several accessibility considerations for web development. With its relatively low lightness value, it's crucial to ensure sufficient contrast against background colors, particularly for text. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to meet AA compliance. For AAA compliance, the ratios increase to 7:1 and 4.5:1, respectively. Using a color contrast checker is essential to verify that text using #233D78 meets these standards, preventing visual impairments from hindering readability. Consider pairing it with lighter shades like whites, creams, or light yellows to achieve adequate contrast. Also, providing alternative visual cues, such as underlines or icons, can further enhance accessibility for users with color vision deficiencies.

Shades

Digital Color Formats

RGB
35 61 120
RGB35 61 120
Red
Green
Blue
HSL
221.65deg 54.84% 30.39%
221.6554.8430.39HSL
Hue
Saturation
Lightness
HWB
221.65deg 13.73% 52.94%
221.6513.7352.94HWB
Hue
Whiteness
Blackness
hex#233D78
rgb35 61 120
hsl221.65deg 54.84% 30.39%
cmyk70.83% 49.17% 0% 52.94%
hwb221.65deg 13.73% 52.94%
xyz-d650.06 0.05 0.18
oklch0.3736 0.1058 264.09
oklab0.3736 -0.01 -0.11
CMYK
70.83% 49.17% 0% 52.94%
70.8349.17052.94CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.18
0.060.050.18XYZ
X
Y
Z
OKLCH
0.3736 0.1058 264.09
0.37360.1058264.09LCH
Lightness
Chroma
Hue
OKLAB
0.3736 -0.01 -0.11
0.3736-0.01-0.11LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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