#040D18
Dark Blue
HEX
RGB
HSL
About #040D18 Dark Blue
#040D18 is a dark blue color. In the RGB color model, it is composed of 4 red, 13 green, and 24 blue. In the HSL color space, it has a hue of 213°, saturation of 71%, and lightness of 5%.
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 #040D18 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
213°
Hue
71%
Saturation
5%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #040D18 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #040D18 against white and black backgrounds.
Aa#040D18 on White
Contrast Ratio19.52:1
AA ✓AA Large ✓AAA ✓
Aa#040D18 on Black
Contrast Ratio1.08:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #040D18 across different color formats.
| Format | Value |
|---|---|
| HEX | #040D18 |
| RGB | rgb(4, 13, 24) |
| HSL | hsl(213, 71%, 5%) |
| RGB Decimal | 4, 13, 24 |
| RGB Percent | 1.6%, 5.1%, 9.4% |
| CMYK (approx.) | 83%, 46%, 0%, 91% |
Related Palettes
12 palettes using #040D18 or similar colors