Chathams Blue

#1F506D

General Information

The hex color #1F506D, also known as Chathams Blue, is a dark, muted shade of blue with a hint of green. It belongs to the family of blue colors and is often associated with calmness, stability, and trustworthiness. In the RGB color model, it is composed of 12.2% red, 31.4% green, and 42.7% blue. This color is commonly used in various design applications to evoke feelings of serenity and professionalism. Its hexadecimal representation makes it easy to use in digital projects, ensuring color consistency across different platforms. The color name "Chathams Blue" is descriptive of its aesthetic qualities.

The color #1F506D, also known as Chathams Blue, presents moderate accessibility challenges. Its relatively dark hue means it requires careful consideration when used as a background or text color. To ensure readability, it is crucial to pair it with light text colors such as white or very pale yellows. When used as a text color itself, it should be placed against a very light background. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Always test the color combination using accessibility tools to verify sufficient contrast. Avoid using this color for crucial interactive elements without proper contrast as users with visual impairments may find it difficult to discern. Moreover, consider providing alternative visual cues for interactive elements.

Shades

Digital Color Formats

RGB
31 80 109
RGB31 80 109
Red
Green
Blue
HSL
202.31deg 55.71% 27.45%
202.3155.7127.45HSL
Hue
Saturation
Lightness
HWB
202.31deg 12.16% 57.25%
202.3112.1657.25HWB
Hue
Whiteness
Blackness
hex#1F506D
rgb31 80 109
hsl202.31deg 55.71% 27.45%
cmyk71.56% 26.61% 0% 57.25%
hwb202.31deg 12.16% 57.25%
xyz-d650.06 0.07 0.16
oklch0.4119 0.0714 238.08
oklab0.4119 -0.04 -0.06
CMYK
71.56% 26.61% 0% 57.25%
71.5626.61057.25CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.07 0.16
0.060.070.16XYZ
X
Y
Z
OKLCH
0.4119 0.0714 238.08
0.41190.0714238.08LCH
Lightness
Chroma
Hue
OKLAB
0.4119 -0.04 -0.06
0.4119-0.04-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons