Blue Charcoal

#030F1D

General Information about #030F1D

The hexadecimal color code #030F1D represents a very dark shade of blue, often referred to as Blue Charcoal. It is composed of 1.18% red, 5.88% green, and 11.37% blue. In the RGB color model, this translates to 3 red, 15 green, and 29 blue. The color has a hue of 213 degrees, a saturation of 82.61%, and a lightness of 6.27%. This color falls into the range of cool colors and evokes a sense of calmness and sophistication. Due to its low luminance, #030F1D is typically used as a background color with light-colored text to ensure readability and visual contrast. Its somber tone makes it suitable for applications where subtlety and elegance are desired.

The hex color #030F1D, also known as Blue Charcoal, presents significant accessibility challenges, especially in text applications. Its extremely low luminance value means that it requires very light text colors to achieve sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is needed for normal text and 3:1 for large text to meet AA compliance. Using #030F1D as a background color necessitates careful selection of foreground colors, with options like white (#FFFFFF) or very light shades of gray being almost mandatory. In user interface design, it's crucial to avoid using this color for interactive elements without ensuring adequate contrast, as users with visual impairments may struggle to identify and interact with them. Designers should use contrast checking tools to validate the color pairings and consider providing alternative high-contrast themes for enhanced accessibility.

Shades

Digital Color Formats

RGB
3 15 29
RGB3 15 29
Red
Green
Blue
HSL
212.31deg 81.25% 6.27%
212.3181.256.27HSL
Hue
Saturation
Lightness
HWB
212.31deg 1.18% 88.63%
212.311.1888.63HWB
Hue
Whiteness
Blackness
hex#030F1D
rgb3 15 29
hsl212.31deg 81.25% 6.27%
cmyk89.66% 48.28% 0% 88.63%
hwb212.31deg 1.18% 88.63%
xyz-d650 0 0.01
oklch0.1649 0.0357 250.27
oklab0.1649 -0.01 -0.03
CMYK
89.66% 48.28% 0% 88.63%
89.6648.28088.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1649 0.0357 250.27
0.16490.0357250.27LCH
Lightness
Chroma
Hue
OKLAB
0.1649 -0.01 -0.03
0.1649-0.01-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons