Blue Charcoal

#030A17

General Information about #030A17

The hex color #030A17, also known as Blue Charcoal, is a very dark, muted shade of blue. It is composed of 1.18% red, 3.92% green, and 9.02% blue. In the RGB color model, it is represented as (3, 10, 23). This color evokes a sense of depth, mystery, and sophistication. Due to its low lightness value, it tends to appear almost black in many contexts. It is commonly used in designs aiming for a subtle, understated, and elegant aesthetic. The color can also be associated with night and seriousness. When using this color, it is essential to consider its impact on readability and accessibility, particularly in text-based applications.

The color #030A17, also known as Blue Charcoal, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance value means that text rendered in this color will have very poor contrast against most background colors, including white. According to WCAG guidelines, sufficient contrast is crucial for readability, especially for users with visual impairments. To ensure accessibility, it is imperative to avoid using #030A17 for text or interactive elements unless paired with a very light background color that meets the minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. Careful consideration and testing are essential to prevent usability issues.

Shades

Digital Color Formats

RGB
3 10 23
RGB3 10 23
Red
Green
Blue
HSL
219deg 76.92% 5.1%
21976.925.1HSL
Hue
Saturation
Lightness
HWB
219deg 1.18% 90.98%
2191.1890.98HWB
Hue
Whiteness
Blackness
hex#030A17
rgb3 10 23
hsl219deg 76.92% 5.1%
cmyk86.96% 56.52% 0% 90.98%
hwb219deg 1.18% 90.98%
xyz-d650 0 0.01
oklch0.1443 0.0319 256.78
oklab0.1443 -0.01 -0.03
CMYK
86.96% 56.52% 0% 90.98%
86.9656.52090.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1443 0.0319 256.78
0.14430.0319256.78LCH
Lightness
Chroma
Hue
OKLAB
0.1443 -0.01 -0.03
0.1443-0.01-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons