#1B1B31
Dark Blue
HEX
RGB
HSL
About #1B1B31 Dark Blue
#1B1B31 is a dark blue color. In the RGB color model, it is composed of 27 red, 27 green, and 49 blue. In the HSL color space, it has a hue of 240°, saturation of 29%, and lightness of 15%.
This color has a low lightness value, making it a dark color great for text and bold accents. With low saturation, it appears muted and subtle.
CSS Code
Use #1B1B31 in your CSS, SCSS, or Tailwind projects.
Color Properties
240°
Hue
29%
Saturation
15%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #1B1B31 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B1B31 against white and black backgrounds.
Aa#1B1B31 on White
Contrast Ratio16.83:1
AA ✓AA Large ✓AAA ✓
Aa#1B1B31 on Black
Contrast Ratio1.25:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B1B31 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B1B31 |
| RGB | rgb(27, 27, 49) |
| HSL | hsl(240, 29%, 15%) |
| RGB Decimal | 27, 27, 49 |
| RGB Percent | 10.6%, 10.6%, 19.2% |
| CMYK (approx.) | 45%, 45%, 0%, 81% |
Related Palettes
12 palettes using #1B1B31 or similar colors