#040A1B
Dark Blue
HEX
RGB
HSL
About #040A1B Dark Blue
#040A1B is a dark blue color. In the RGB color model, it is composed of 4 red, 10 green, and 27 blue. In the HSL color space, it has a hue of 224°, saturation of 74%, and lightness of 6%.
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
Use #040A1B in your CSS, SCSS, or Tailwind projects.
Color Properties
224°
Hue
74%
Saturation
6%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #040A1B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #040A1B against white and black backgrounds.
Aa#040A1B on White
Contrast Ratio19.73:1
AA ✓AA Large ✓AAA ✓
Aa#040A1B on Black
Contrast Ratio1.06:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #040A1B across different color formats.
| Format | Value |
|---|---|
| HEX | #040A1B |
| RGB | rgb(4, 10, 27) |
| HSL | hsl(224, 74%, 6%) |
| RGB Decimal | 4, 10, 27 |
| RGB Percent | 1.6%, 3.9%, 10.6% |
| CMYK (approx.) | 85%, 63%, 0%, 89% |
Related Palettes
12 palettes using #040A1B or similar colors