#1B51A1
Blue
HEX
RGB
HSL
About #1B51A1 Blue
#1B51A1 is a blue color. In the RGB color model, it is composed of 27 red, 81 green, and 161 blue. In the HSL color space, it has a hue of 216°, saturation of 71%, and lightness of 37%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #1B51A1 in your CSS, SCSS, or Tailwind projects.
Color Properties
216°
Hue
71%
Saturation
37%
Lightness
Blue
Color Harmonies
Colors that work well with #1B51A1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B51A1 against white and black backgrounds.
Aa#1B51A1 on White
Contrast Ratio7.67:1
AA ✓AA Large ✓AAA ✓
Aa#1B51A1 on Black
Contrast Ratio2.74:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B51A1 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B51A1 |
| RGB | rgb(27, 81, 161) |
| HSL | hsl(216, 71%, 37%) |
| RGB Decimal | 27, 81, 161 |
| RGB Percent | 10.6%, 31.8%, 63.1% |
| CMYK (approx.) | 83%, 50%, 0%, 37% |
Related Palettes
12 palettes using #1B51A1 or similar colors