Astronaut

#1F3479

General Information about #1F3479

#1F3479, also known as Astronaut, is a deep, dark shade of blue in the RGB color space. It evokes feelings of tranquility, depth, and sophistication. This hexadecimal color is composed of 12.2% red, 20.4% green, and 47.5% blue. In the CMYK color model, it consists of 74% cyan, 57% magenta, 0% yellow, and 52% black. Its HSL values are 223 degrees for hue, 60% for saturation, and 30% for lightness. Due to its dark nature, it's best used as an accent color or in combination with lighter shades to create contrast and visual interest. The color is often associated with trust, stability, and knowledge, making it a popular choice for branding in the financial and technology sectors.

The color #1F3479, a deep, saturated blue, presents several accessibility considerations for web developers. Its relatively low lightness value (approximately 15%) means that it requires careful pairing with text and other elements to ensure sufficient contrast. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. When using #1F3479 as a background, it is crucial to use light-colored text to meet these standards. White or very light shades of yellow or green would be suitable choices. Additionally, avoid using this color for small, intricate details or elements that require precise visual discrimination, as its darkness can make them difficult to perceive. Consider providing alternative visual cues or labels for users with visual impairments. Also, avoid using this color as the sole indicator of interactive elements; supplement it with text labels, icons, or other visual affordances to ensure usability for all users.

Shades

Digital Color Formats

RGB
31 52 121
RGB31 52 121
Red
Green
Blue
HSL
226deg 59.21% 29.8%
22659.2129.8HSL
Hue
Saturation
Lightness
HWB
226deg 12.16% 52.55%
22612.1652.55HWB
Hue
Whiteness
Blackness
hex#1F3479
rgb31 52 121
hsl226deg 59.21% 29.8%
cmyk74.38% 57.02% 0% 52.55%
hwb226deg 12.16% 52.55%
xyz-d650.05 0.04 0.19
oklch0.3521 0.1208 267.14
oklab0.3521 -0.01 -0.12
CMYK
74.38% 57.02% 0% 52.55%
74.3857.02052.55CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.04 0.19
0.050.040.19XYZ
X
Y
Z
OKLCH
0.3521 0.1208 267.14
0.35210.1208267.14LCH
Lightness
Chroma
Hue
OKLAB
0.3521 -0.01 -0.12
0.3521-0.01-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons