#1D258B
Blue
HEX
RGB
HSL
About #1D258B Blue
#1D258B is a blue color. In the RGB color model, it is composed of 29 red, 37 green, and 139 blue. In the HSL color space, it has a hue of 236°, saturation of 65%, and lightness of 33%.
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 & Gradients
Use #1D258B in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
236°
Hue
65%
Saturation
33%
Lightness
Blue
Color Harmonies
Colors that work well with #1D258B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1D258B against white and black backgrounds.
Aa#1D258B on White
Contrast Ratio12.43:1
AA ✓AA Large ✓AAA ✓
Aa#1D258B on Black
Contrast Ratio1.69:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1D258B across different color formats.
| Format | Value |
|---|---|
| HEX | #1D258B |
| RGB | rgb(29, 37, 139) |
| HSL | hsl(236, 65%, 33%) |
| RGB Decimal | 29, 37, 139 |
| RGB Percent | 11.4%, 14.5%, 54.5% |
| CMYK (approx.) | 79%, 73%, 0%, 45% |
Related Palettes
12 palettes using #1D258B or similar colors