#313D81
Blue
HEX
RGB
HSL
About #313D81 Blue
#313D81 is a blue color. In the RGB color model, it is composed of 49 red, 61 green, and 129 blue. In the HSL color space, it has a hue of 231°, saturation of 45%, and lightness of 35%.
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 #313D81 in your CSS, SCSS, or Tailwind projects.
Color Properties
231°
Hue
45%
Saturation
35%
Lightness
Blue
Color Harmonies
Colors that work well with #313D81 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #313D81 against white and black backgrounds.
Aa#313D81 on White
Contrast Ratio9.93:1
AA ✓AA Large ✓AAA ✓
Aa#313D81 on Black
Contrast Ratio2.12:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #313D81 across different color formats.
| Format | Value |
|---|---|
| HEX | #313D81 |
| RGB | rgb(49, 61, 129) |
| HSL | hsl(231, 45%, 35%) |
| RGB Decimal | 49, 61, 129 |
| RGB Percent | 19.2%, 23.9%, 50.6% |
| CMYK (approx.) | 62%, 53%, 0%, 49% |
Related Palettes
12 palettes using #313D81 or similar colors