Blue Dianne

#284A58

General Information about #284A58

The hexadecimal color code #284A58, also known as Blue Dianne, is a dark shade of cyan-blue. It is composed of 15.7% red, 29% green, and 34.5% blue. In the RGB color space, it has values of R:40, G:74, and B:88. In the CMYK color space, its composition is 54.5% cyan, 15.9% magenta, 0% yellow, and 65.5% black. Blue Dianne's hue angle is 196.9 degrees, its saturation is 37.5%, and its lightness is 25.1%. This color leans towards the cooler side of the spectrum, evoking feelings of calmness, serenity, and sophistication. It is often associated with professionalism and trustworthiness, making it a suitable choice for various design applications.

The hex color #284A58, also known as Blue Dianne, presents some accessibility considerations for web developers. Its relatively low luminance can pose challenges in ensuring sufficient contrast with both foreground and background elements, especially for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #284A58 for text, it's crucial to pair it with a light background color to meet these contrast requirements. Tools like contrast checkers can help assess the color combination's compliance. Also, avoid using this color as the sole indicator of interactive elements, such as links or buttons, as colorblind users may not perceive them. Providing alternative visual cues, like underlines or borders, enhances accessibility. Overall, careful attention to contrast ratios and alternative cues is essential to make content accessible to all users.

Shades

Digital Color Formats

RGB
40 74 88
RGB40 74 88
Red
Green
Blue
HSL
197.5deg 37.5% 25.1%
197.537.525.1HSL
Hue
Saturation
Lightness
HWB
197.5deg 15.69% 65.49%
197.515.6965.49HWB
Hue
Whiteness
Blackness
hex#284A58
rgb40 74 88
hsl197.5deg 37.5% 25.1%
cmyk54.55% 15.91% 0% 65.49%
hwb197.5deg 15.69% 65.49%
xyz-d650.05 0.06 0.1
oklch0.3894 0.0462 226.64
oklab0.3894 -0.03 -0.03
CMYK
54.55% 15.91% 0% 65.49%
54.5515.91065.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.06 0.1
0.050.060.1XYZ
X
Y
Z
OKLCH
0.3894 0.0462 226.64
0.38940.0462226.64LCH
Lightness
Chroma
Hue
OKLAB
0.3894 -0.03 -0.03
0.3894-0.03-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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