#121F59
Dark Blue
HEX
RGB
HSL
About #121F59 Dark Blue
#121F59 is a dark blue color. In the RGB color model, it is composed of 18 red, 31 green, and 89 blue. In the HSL color space, it has a hue of 229°, saturation of 66%, and lightness of 21%.
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 #121F59 in your CSS, SCSS, or Tailwind projects.
Color Properties
229°
Hue
66%
Saturation
21%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #121F59 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #121F59 against white and black backgrounds.
Aa#121F59 on White
Contrast Ratio15.37:1
AA ✓AA Large ✓AAA ✓
Aa#121F59 on Black
Contrast Ratio1.37:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #121F59 across different color formats.
| Format | Value |
|---|---|
| HEX | #121F59 |
| RGB | rgb(18, 31, 89) |
| HSL | hsl(229, 66%, 21%) |
| RGB Decimal | 18, 31, 89 |
| RGB Percent | 7.1%, 12.2%, 34.9% |
| CMYK (approx.) | 80%, 65%, 0%, 65% |
Related Palettes
12 palettes using #121F59 or similar colors