Nile Blue

#283A4C

General Information about #283A4C

#283A4C, also known as Nile Blue, is a dark, muted shade of blue with a slightly grayish undertone. It belongs to the family of cool colors and evokes feelings of calmness, stability, and sophistication. In the RGB color model, it is composed of 16.08% red, 22.75% green, and 30.2% blue. In the CMYK color model, it is composed of 46.72% cyan, 24.51% magenta, 0% yellow, and 69.8% black. This color is often associated with professionalism, trust, and reliability, making it a popular choice for corporate branding and website design. Its hex code is #283A4C, and it can also be represented in other color formats such as RGB(40, 58, 76) or HSL(213, 31%, 23%). The color name Nile Blue is derived from a type of blue dye, reflecting its historical usage and association with natural pigments.

The color #283A4C, a shade of Nile Blue, presents some accessibility challenges. Its relatively low luminance value means that text rendered in this color on a white background may not provide sufficient contrast for users with visual impairments, especially those with low vision. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. This color falls short of these recommendations when paired with white. To improve accessibility, consider using a lighter color for the background, such as a very light gray or off-white, or using a much lighter shade of blue or even white for the text. Alternatively, using a darker shade for the background would also increase contrast and improve readability. Testing with accessibility tools is highly recommended to ensure compliance with accessibility standards and provide an optimal user experience for all users.

Shades

Digital Color Formats

RGB
40 58 76
RGB40 58 76
Red
Green
Blue
HSL
210deg 31.03% 22.75%
21031.0322.75HSL
Hue
Saturation
Lightness
HWB
210deg 15.69% 70.2%
21015.6970.2HWB
Hue
Whiteness
Blackness
hex#283A4C
rgb40 58 76
hsl210deg 31.03% 22.75%
cmyk47.37% 23.68% 0% 70.2%
hwb210deg 15.69% 70.2%
xyz-d650.04 0.04 0.07
oklch0.3411 0.0395 249.08
oklab0.3411 -0.01 -0.04
CMYK
47.37% 23.68% 0% 70.2%
47.3723.68070.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.07
0.040.040.07XYZ
X
Y
Z
OKLCH
0.3411 0.0395 249.08
0.34110.0395249.08LCH
Lightness
Chroma
Hue
OKLAB
0.3411 -0.01 -0.04
0.3411-0.01-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons