#040F28
Dark Blue
HEX
RGB
HSL
About #040F28 Dark Blue
#040F28 is a dark blue color. In the RGB color model, it is composed of 4 red, 15 green, and 40 blue. In the HSL color space, it has a hue of 222°, saturation of 82%, 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 #040F28 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
222°
Hue
82%
Saturation
9%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #040F28 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #040F28 against white and black backgrounds.
Aa#040F28 on White
Contrast Ratio19.02:1
AA ✓AA Large ✓AAA ✓
Aa#040F28 on Black
Contrast Ratio1.1:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #040F28 across different color formats.
| Format | Value |
|---|---|
| HEX | #040F28 |
| RGB | rgb(4, 15, 40) |
| HSL | hsl(222, 82%, 9%) |
| RGB Decimal | 4, 15, 40 |
| RGB Percent | 1.6%, 5.9%, 15.7% |
| CMYK (approx.) | 90%, 63%, 0%, 84% |
Related Palettes
12 palettes using #040F28 or similar colors