#1B4588
Blue
HEX
RGB
HSL
About #1B4588 Blue
#1B4588 is a blue color. In the RGB color model, it is composed of 27 red, 69 green, and 136 blue. In the HSL color space, it has a hue of 217°, saturation of 67%, and lightness of 32%.
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 #1B4588 in your CSS, SCSS, or Tailwind projects.
Color Properties
217°
Hue
67%
Saturation
32%
Lightness
Blue
Color Harmonies
Colors that work well with #1B4588 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B4588 against white and black backgrounds.
Aa#1B4588 on White
Contrast Ratio9.32:1
AA ✓AA Large ✓AAA ✓
Aa#1B4588 on Black
Contrast Ratio2.25:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B4588 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B4588 |
| RGB | rgb(27, 69, 136) |
| HSL | hsl(217, 67%, 32%) |
| RGB Decimal | 27, 69, 136 |
| RGB Percent | 10.6%, 27.1%, 53.3% |
| CMYK (approx.) | 80%, 49%, 0%, 47% |
Related Palettes
12 palettes using #1B4588 or similar colors