Nile Blue

#1F3C49

General Information about Nile Blue (#1F3C49)

Nile Blue, represented by the hexadecimal color code #1F3C49, is a dark, muted shade of blue that evokes a sense of calm and sophistication. It belongs to the blue color family and has a subtle depth that makes it versatile for various applications. The color derives its name from the Nile River, hinting at its connection to nature and serenity. In the RGB color model, #1F3C49 is composed of 12.2% red, 23.5% green, and 28.6% blue. This composition gives it a slightly greenish undertone, differentiating it from pure blues. The color is perceived as trustworthy, reliable, and stable, making it an excellent choice for professional and corporate branding.

The color #1F3C49, also known as Nile Blue, presents specific accessibility considerations, primarily concerning color contrast. When used as text on a background, or vice versa, it is essential to ensure sufficient contrast to meet WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to ensure readability for users with visual impairments. Tools like contrast checkers can evaluate if a specific color combination passes these guidelines. Furthermore, avoid using color alone to convey important information; supplement it with text labels or icons. When used in interactive elements like buttons or links, ensure a clear visual focus indicator is present, particularly for keyboard users. This can be achieved with CSS properties like `outline` or `box-shadow` upon focus. Proper use of ARIA attributes can further enhance accessibility, providing screen readers with additional context and information about the element's role and state.

Shades

Digital Color Formats

RGB
31 60 73
RGB31 60 73
Red
Green
Blue
HSL
198.57deg 40.38% 20.39%
198.5740.3820.39HSL
Hue
Saturation
Lightness
HWB
198.57deg 12.16% 71.37%
198.5712.1671.37HWB
Hue
Whiteness
Blackness
hex#1F3C49
rgb31 60 73
hsl198.57deg 40.38% 20.39%
cmyk57.53% 17.81% 0% 71.37%
hwb198.57deg 12.16% 71.37%
xyz-d650.03 0.04 0.07
oklch0.3394 0.0417 228.86
oklab0.3394 -0.03 -0.03
CMYK
57.53% 17.81% 0% 71.37%
57.5317.81071.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.07
0.030.040.07XYZ
X
Y
Z
OKLCH
0.3394 0.0417 228.86
0.33940.0417228.86LCH
Lightness
Chroma
Hue
OKLAB
0.3394 -0.03 -0.03
0.3394-0.03-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons