#040A2B
Dark Blue
HEX
RGB
HSL
About #040A2B Dark Blue
#040A2B is a dark blue color. In the RGB color model, it is composed of 4 red, 10 green, and 43 blue. In the HSL color space, it has a hue of 231°, saturation of 83%, and lightness of 9%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code & Gradients
Use #040A2B in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
231°
Hue
83%
Saturation
9%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #040A2B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #040A2B against white and black backgrounds.
Aa#040A2B on White
Contrast Ratio19.38:1
AA ✓AA Large ✓AAA ✓
Aa#040A2B on Black
Contrast Ratio1.08:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #040A2B across different color formats.
| Format | Value |
|---|---|
| HEX | #040A2B |
| RGB | rgb(4, 10, 43) |
| HSL | hsl(231, 83%, 9%) |
| RGB Decimal | 4, 10, 43 |
| RGB Percent | 1.6%, 3.9%, 16.9% |
| CMYK (approx.) | 91%, 77%, 0%, 83% |
Related Palettes
12 palettes using #040A2B or similar colors