#2138AB
Blue
HEX
RGB
HSL
About #2138AB Blue
#2138AB is a blue color. In the RGB color model, it is composed of 33 red, 56 green, and 171 blue. In the HSL color space, it has a hue of 230°, saturation of 68%, and lightness of 40%.
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 #2138AB in your CSS, SCSS, or Tailwind projects.
Color Properties
230°
Hue
68%
Saturation
40%
Lightness
Blue
Color Harmonies
Colors that work well with #2138AB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #2138AB against white and black backgrounds.
Aa#2138AB on White
Contrast Ratio9.47:1
AA ✓AA Large ✓AAA ✓
Aa#2138AB on Black
Contrast Ratio2.22:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #2138AB across different color formats.
| Format | Value |
|---|---|
| HEX | #2138AB |
| RGB | rgb(33, 56, 171) |
| HSL | hsl(230, 68%, 40%) |
| RGB Decimal | 33, 56, 171 |
| RGB Percent | 12.9%, 22.0%, 67.1% |
| CMYK (approx.) | 81%, 67%, 0%, 33% |
Related Palettes
12 palettes using #2138AB or similar colors