#151D5B
Dark Blue
HEX
RGB
HSL
About #151D5B Dark Blue
#151D5B is a dark blue color. In the RGB color model, it is composed of 21 red, 29 green, and 91 blue. In the HSL color space, it has a hue of 233°, saturation of 63%, and lightness of 22%.
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 #151D5B in your CSS, SCSS, or Tailwind projects.
Color Properties
233°
Hue
63%
Saturation
22%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #151D5B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #151D5B against white and black backgrounds.
Aa#151D5B on White
Contrast Ratio15.46:1
AA ✓AA Large ✓AAA ✓
Aa#151D5B on Black
Contrast Ratio1.36:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #151D5B across different color formats.
| Format | Value |
|---|---|
| HEX | #151D5B |
| RGB | rgb(21, 29, 91) |
| HSL | hsl(233, 63%, 22%) |
| RGB Decimal | 21, 29, 91 |
| RGB Percent | 8.2%, 11.4%, 35.7% |
| CMYK (approx.) | 77%, 68%, 0%, 64% |
Related Palettes
12 palettes using #151D5B or similar colors