#183FB4
Blue
HEX
RGB
HSL
About #183FB4 Blue
#183FB4 is a blue color. In the RGB color model, it is composed of 24 red, 63 green, and 180 blue. In the HSL color space, it has a hue of 225°, saturation of 76%, and lightness of 40%.
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 #183FB4 in your CSS, SCSS, or Tailwind projects.
Color Properties
225°
Hue
76%
Saturation
40%
Lightness
Blue
Color Harmonies
Colors that work well with #183FB4 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #183FB4 against white and black backgrounds.
Aa#183FB4 on White
Contrast Ratio8.72:1
AA ✓AA Large ✓AAA ✓
Aa#183FB4 on Black
Contrast Ratio2.41:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #183FB4 across different color formats.
| Format | Value |
|---|---|
| HEX | #183FB4 |
| RGB | rgb(24, 63, 180) |
| HSL | hsl(225, 76%, 40%) |
| RGB Decimal | 24, 63, 180 |
| RGB Percent | 9.4%, 24.7%, 70.6% |
| CMYK (approx.) | 87%, 65%, 0%, 29% |
Related Palettes
12 palettes using #183FB4 or similar colors