#121F3B
Dark Blue
HEX
RGB
HSL
About #121F3B Dark Blue
#121F3B is a dark blue color. In the RGB color model, it is composed of 18 red, 31 green, and 59 blue. In the HSL color space, it has a hue of 221°, saturation of 53%, and lightness of 15%.
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 #121F3B in your CSS, SCSS, or Tailwind projects.
Color Properties
221°
Hue
53%
Saturation
15%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #121F3B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #121F3B against white and black backgrounds.
Aa#121F3B on White
Contrast Ratio16.34:1
AA ✓AA Large ✓AAA ✓
Aa#121F3B on Black
Contrast Ratio1.28:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #121F3B across different color formats.
| Format | Value |
|---|---|
| HEX | #121F3B |
| RGB | rgb(18, 31, 59) |
| HSL | hsl(221, 53%, 15%) |
| RGB Decimal | 18, 31, 59 |
| RGB Percent | 7.1%, 12.2%, 23.1% |
| CMYK (approx.) | 69%, 47%, 0%, 77% |
Related Palettes
12 palettes using #121F3B or similar colors