Firefly

#0A233B

General Information about #0A233B

The hexadecimal color #0A233B, often referred to as 'Firefly', is a dark, muted shade of blue-gray. It belongs to the cool color family and possesses a subtle, understated elegance. In the RGB color model, it is composed of 3.92% red, 13.73% green, and 23.14% blue. Its CMYK representation is characterized by high cyan and magenta values, with a moderate amount of yellow and only a small amount of black. This color is often associated with qualities like sophistication, stability, and trustworthiness. It evokes a sense of calmness and professionalism, making it a versatile choice for various design applications, ranging from web design to interior decoration.

The hex color #0a233b, also known as Firefly, presents several accessibility considerations for web developers. Its dark nature means it requires light-colored text for sufficient contrast. Using a tool like a WCAG contrast checker is crucial to ensure the contrast ratio meets accessibility standards, particularly WCAG 2.1 Level AA and AAA. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended. For users with low vision or color blindness, adequate contrast is essential for readability and usability. When using this color for interactive elements like buttons or links, ensure sufficient visual cues beyond color alone are present, such as underlines, borders, or icons, to provide clear affordance. Providing alternative high-contrast themes is also a good practice to cater to diverse user needs.

Shades

Digital Color Formats

RGB
10 35 59
RGB10 35 59
Red
Green
Blue
HSL
209.39deg 71.01% 13.53%
209.3971.0113.53HSL
Hue
Saturation
Lightness
HWB
209.39deg 3.92% 76.86%
209.393.9276.86HWB
Hue
Whiteness
Blackness
hex#0A233B
rgb10 35 59
hsl209.39deg 71.01% 13.53%
cmyk83.05% 40.68% 0% 76.86%
hwb209.39deg 3.92% 76.86%
xyz-d650.02 0.02 0.04
oklch0.2507 0.0551 250.22
oklab0.2507 -0.02 -0.05
CMYK
83.05% 40.68% 0% 76.86%
83.0540.68076.86CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.02 0.04
0.020.020.04XYZ
X
Y
Z
OKLCH
0.2507 0.0551 250.22
0.25070.0551250.22LCH
Lightness
Chroma
Hue
OKLAB
0.2507 -0.02 -0.05
0.2507-0.02-0.05LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons