#1F37A3
Blue
HEX
RGB
HSL
About #1F37A3 Blue
#1F37A3 is a blue color. In the RGB color model, it is composed of 31 red, 55 green, and 163 blue. In the HSL color space, it has a hue of 229°, saturation of 68%, and lightness of 38%.
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 #1F37A3 in your CSS, SCSS, or Tailwind projects.
Color Properties
229°
Hue
68%
Saturation
38%
Lightness
Blue
Color Harmonies
Colors that work well with #1F37A3 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1F37A3 against white and black backgrounds.
Aa#1F37A3 on White
Contrast Ratio9.84:1
AA ✓AA Large ✓AAA ✓
Aa#1F37A3 on Black
Contrast Ratio2.13:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1F37A3 across different color formats.
| Format | Value |
|---|---|
| HEX | #1F37A3 |
| RGB | rgb(31, 55, 163) |
| HSL | hsl(229, 68%, 38%) |
| RGB Decimal | 31, 55, 163 |
| RGB Percent | 12.2%, 21.6%, 63.9% |
| CMYK (approx.) | 81%, 66%, 0%, 36% |
Related Palettes
12 palettes using #1F37A3 or similar colors