#040A15
Dark Blue
HEX
RGB
HSL
About #040A15 Dark Blue
#040A15 is a dark blue color. In the RGB color model, it is composed of 4 red, 10 green, and 21 blue. In the HSL color space, it has a hue of 219°, saturation of 68%, and lightness of 5%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #040A15 in your CSS, SCSS, or Tailwind projects.
Color Properties
219°
Hue
68%
Saturation
5%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #040A15 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #040A15 against white and black backgrounds.
Aa#040A15 on White
Contrast Ratio19.82:1
AA ✓AA Large ✓AAA ✓
Aa#040A15 on Black
Contrast Ratio1.06:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #040A15 across different color formats.
| Format | Value |
|---|---|
| HEX | #040A15 |
| RGB | rgb(4, 10, 21) |
| HSL | hsl(219, 68%, 5%) |
| RGB Decimal | 4, 10, 21 |
| RGB Percent | 1.6%, 3.9%, 8.2% |
| CMYK (approx.) | 81%, 52%, 0%, 92% |
Related Palettes
12 palettes using #040A15 or similar colors