index.md

---

title: cx
slug: Web/SVG/Attribute/cx
page-type: svg-attribute
tags:
  - SVG
  - SVG Attribute
spec-urls:
  - https://svgwg.org/svg2-draft/geometry.html#CX
  - https://svgwg.org/svg2-draft/pservers.html#RadialGradientElementCXAttribute

---

{{SVGRef}}

The cx attribute define the x-axis coordinate of a center point.

You can use this attribute with the following SVG elements:

• {{SVGElement("circle")}}

• {{SVGElement("ellipse")}}

• {{SVGElement("radialGradient")}}

Example

html,
body,
svg {
  height: 100%;
}

<svg viewBox="0 0 300 100" xmlns="http://www.w3.org/2000/svg">
  <radialGradient cx="25%" id="myGradient">
    <stop offset="0" stop-color="white" />
    <stop offset="100%" stop-color="black" />
  </radialGradient>

  <circle cx="50" cy="50" r="45" />
  <ellipse cx="150" cy="50" rx="45" ry="25" />
  <rect x="205" y="5" width="90" height="90" fill="url(#myGradient)" />
</svg>

{{EmbedLiveSample("Example", 100, 100)}}

circle

For {{SVGElement('circle')}}, cx defines the x-axis coordinate of the center of the shape.

Value	{{cssxref("length-percentage")}}
Default value	0
Animatable	Yes

Note: Starting with SVG2 cx, is a Geometry Property, meaning this attribute can also be used as CSS property for circles.

ellipse

For {{SVGElement('ellipse')}}, cx defines the x-axis coordinate of the center of the shape.

Value	{{cssxref("length-percentage")}}
Default value	0
Animatable	Yes

Note: Starting with SVG2 cx, is a Geometry Property, meaning this attribute can also be used as CSS property for ellipses.

radialGradient

For {{SVGElement('radialGradient')}}, cx defines the x-axis coordinate of the end circle for the radial gradient.

Value	{{cssxref("length")}}
Default value	50%
Animatable	Yes

Example

html,
body,
svg {
  height: 100%;
}

<svg viewBox="0 0 34 10" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <radialGradient cx="0" id="myGradient000">
      <stop offset="0%" stop-color="gold" />
      <stop offset="50%" stop-color="green" />
      <stop offset="100%" stop-color="white" />
    </radialGradient>

    <radialGradient cx="50%" id="myGradient050">
      <stop offset="0%" stop-color="gold" />
      <stop offset="50%" stop-color="green" />
      <stop offset="100%" stop-color="white" />
    </radialGradient>

    <radialGradient cx="100%" id="myGradient100">
      <stop offset="0%" stop-color="gold" />
      <stop offset="50%" stop-color="green" />
      <stop offset="100%" stop-color="white" />
    </radialGradient>
  </defs>

  <rect
    x="1"
    y="1"
    width="8"
    height="8"
    fill="url(#myGradient000)"
    stroke="black" />
  <rect
    x="13"
    y="1"
    width="8"
    height="8"
    fill="url(#myGradient050)"
    stroke="black" />
  <rect
    x="25"
    y="1"
    width="8"
    height="8"
    fill="url(#myGradient100)"
    stroke="black" />
</svg>

{{EmbedLiveSample('radialGradient', 150, '100%')}}

Specifications

{{Specifications}}

See also

• cy

• r