#637F8C
Muted Blue
HEX
RGB
HSL
About #637F8C Muted Blue
#637F8C is a muted blue color. In the RGB color model, it is composed of 99 red, 127 green, and 140 blue. In the HSL color space, it has a hue of 199°, saturation of 17%, and lightness of 47%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With low saturation, it appears muted and subtle.
CSS Code
Use #637F8C in your CSS, SCSS, or Tailwind projects.
Color Properties
199°
Hue
17%
Saturation
47%
Lightness
Muted Blue
Color Harmonies
Colors that work well with #637F8C based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #637F8C against white and black backgrounds.
Aa#637F8C on White
Contrast Ratio4.25:1
AA ✗AA Large ✓AAA ✗
Aa#637F8C on Black
Contrast Ratio4.94:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #637F8C across different color formats.
| Format | Value |
|---|---|
| HEX | #637F8C |
| RGB | rgb(99, 127, 140) |
| HSL | hsl(199, 17%, 47%) |
| RGB Decimal | 99, 127, 140 |
| RGB Percent | 38.8%, 49.8%, 54.9% |
| CMYK (approx.) | 29%, 9%, 0%, 45% |
Related Palettes
12 palettes using #637F8C or similar colors