#1B1F37
Dark Blue
HEX
RGB
HSL
About #1B1F37 Dark Blue
#1B1F37 is a dark blue color. In the RGB color model, it is composed of 27 red, 31 green, and 55 blue. In the HSL color space, it has a hue of 231°, saturation of 34%, and lightness of 16%.
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 #1B1F37 in your CSS, SCSS, or Tailwind projects.
Color Properties
231°
Hue
34%
Saturation
16%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #1B1F37 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B1F37 against white and black backgrounds.
Aa#1B1F37 on White
Contrast Ratio16.18:1
AA ✓AA Large ✓AAA ✓
Aa#1B1F37 on Black
Contrast Ratio1.3:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B1F37 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B1F37 |
| RGB | rgb(27, 31, 55) |
| HSL | hsl(231, 34%, 16%) |
| RGB Decimal | 27, 31, 55 |
| RGB Percent | 10.6%, 12.2%, 21.6% |
| CMYK (approx.) | 51%, 44%, 0%, 78% |
Related Palettes
12 palettes using #1B1F37 or similar colors