Nile Blue

#1F3D4A

General Information about Nile Blue (#1F3D4A)

The hex color #1F3D4A, also known as Nile Blue, is a dark, muted shade of blue with subtle gray undertones. It resides within the blue-cyan hue range and presents a calming and sophisticated appearance. In the RGB color model, it is composed of 12.2% red, 23.9% green, and 29% blue. Converting it to the CMYK color model yields approximately 58% cyan, 17% magenta, 0% yellow, and 71% black, indicating its relatively desaturated nature. The color's hex code #1F3D4A translates to a digital representation suitable for use in web design, graphic design, and other digital media, providing a consistent color across different platforms and devices. It is often associated with tranquility, stability, and professionalism.

The hex color #1F3D4A, also known as Nile Blue, presents moderate accessibility challenges. Its contrast ratio against white is approximately 4.6:1, which meets the WCAG AA standard for normal text but falls short of the AAA standard. For larger text (14pt bold or 18pt regular), it generally meets the AA standard but still benefits from careful consideration. When used as background color, pairing it with lighter text colors such as whites (#FFFFFF) or light grays (#D3D3D3) is crucial to ensure readability. If using #1F3D4A for interactive elements like buttons, providing sufficient visual cues beyond color alone is highly recommended, such as adding borders or using icons, to accommodate users with color vision deficiencies. Careful attention to font sizes and weight is also important to make sure all users have a good experience.

Shades

Digital Color Formats

RGB
31 61 74
RGB31 61 74
Red
Green
Blue
HSL
198.14deg 40.95% 20.59%
198.1440.9520.59HSL
Hue
Saturation
Lightness
HWB
198.14deg 12.16% 70.98%
198.1412.1670.98HWB
Hue
Whiteness
Blackness
hex#1F3D4A
rgb31 61 74
hsl198.14deg 40.95% 20.59%
cmyk58.11% 17.57% 0% 70.98%
hwb198.14deg 12.16% 70.98%
xyz-d650.03 0.04 0.07
oklch0.3427 0.0425 228.09
oklab0.3427 -0.03 -0.03
CMYK
58.11% 17.57% 0% 70.98%
58.1117.57070.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.07
0.030.040.07XYZ
X
Y
Z
OKLCH
0.3427 0.0425 228.09
0.34270.0425228.09LCH
Lightness
Chroma
Hue
OKLAB
0.3427 -0.03 -0.03
0.3427-0.03-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons