#231B55
Dark Blue
HEX
RGB
HSL
About #231B55 Dark Blue
#231B55 is a dark blue color. In the RGB color model, it is composed of 35 red, 27 green, and 85 blue. In the HSL color space, it has a hue of 248°, saturation of 52%, and lightness of 22%.
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 #231B55 in your CSS, SCSS, or Tailwind projects.
Color Properties
248°
Hue
52%
Saturation
22%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #231B55 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #231B55 against white and black backgrounds.
Aa#231B55 on White
Contrast Ratio15.45:1
AA ✓AA Large ✓AAA ✓
Aa#231B55 on Black
Contrast Ratio1.36:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #231B55 across different color formats.
| Format | Value |
|---|---|
| HEX | #231B55 |
| RGB | rgb(35, 27, 85) |
| HSL | hsl(248, 52%, 22%) |
| RGB Decimal | 35, 27, 85 |
| RGB Percent | 13.7%, 10.6%, 33.3% |
| CMYK (approx.) | 59%, 68%, 0%, 67% |
Related Palettes
12 palettes using #231B55 or similar colors