Nile Blue

#1F3B4E

General Information about Nile Blue

The hex color #1F3B4E, commonly referred to as Nile Blue, is a dark, muted shade of blue with a slight greenish undertone. It belongs to the broader family of cool colors, often associated with serenity, stability, and sophistication. The color derives its name from the Nile River, reflecting the river's tranquil and deep blue hue. In color theory, #1F3B4E is created by mixing blue with small amounts of green and black, resulting in its unique characteristics. This color is less saturated than pure blue, making it a versatile choice for various design applications, especially where a subtle and understated aesthetic is desired. Its RGB values are R:31, G:59, B:78, while its CMYK values are C:60, M:24, Y:0, K:69.

The hex color #1F3B4E, also known as Nile Blue, presents certain accessibility challenges, particularly in text applications. Its relatively low luminance contrast against both white and black backgrounds requires careful consideration. When used as text against a white background, individuals with moderate visual impairments may find it difficult to read. Similarly, using white text on a #1F3B4E background may pose readability issues. To ensure accessibility, it is recommended to increase the text size significantly or use a thicker font weight to improve contrast. Alternatively, consider pairing #1F3B4E with lighter shades or tints to create a more accessible color palette, especially for users with low vision or color blindness. Tools like contrast checkers can assist in verifying compliance with WCAG guidelines.

Shades

Digital Color Formats

RGB
31 59 78
RGB31 59 78
Red
Green
Blue
HSL
204.26deg 43.12% 21.37%
204.2643.1221.37HSL
Hue
Saturation
Lightness
HWB
204.26deg 12.16% 69.41%
204.2612.1669.41HWB
Hue
Whiteness
Blackness
hex#1F3B4E
rgb31 59 78
hsl204.26deg 43.12% 21.37%
cmyk60.26% 24.36% 0% 69.41%
hwb204.26deg 12.16% 69.41%
xyz-d650.04 0.04 0.08
oklch0.3393 0.0478 239.93
oklab0.3393 -0.02 -0.04
CMYK
60.26% 24.36% 0% 69.41%
60.2624.36069.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.08
0.040.040.08XYZ
X
Y
Z
OKLCH
0.3393 0.0478 239.93
0.33930.0478239.93LCH
Lightness
Chroma
Hue
OKLAB
0.3393 -0.02 -0.04
0.3393-0.02-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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