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The border-top-color CSS property sets the color of an element's top border. It can also be set with the shorthand CSS properties border-color or border-top.

Syntax

/* <color> values */
border-top-color: red;
border-top-color: #ffbb00;
border-top-color: rgb(255, 0, 0);
border-top-color: hsla(100%, 50%, 25%, 0.75);
border-top-color: currentColor;
border-top-color: transparent;

/* Global values */
border-top-color: inherit;
border-top-color: initial;
border-top-color: unset;

The border-top-color property is specified as a single value.

Values

<color>
The color of the top border.

Formal syntax

<color>

where
<color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>

where
<rgb()> = rgb( <percentage>{3} [ / <alpha-value> ]? ) | rgb( <number>{3} [ / <alpha-value> ]? ) | rgb( <percentage>#{3} , <alpha-value>? ) | rgb( <number>#{3} , <alpha-value>? )
<rgba()> = rgba( <percentage>{3} [ / <alpha-value> ]? ) | rgba( <number>{3} [ / <alpha-value> ]? ) | rgba( <percentage>#{3} , <alpha-value>? ) | rgba( <number>#{3} , <alpha-value>? )
<hsl()> = hsl( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsl( <hue>, <percentage>, <percentage>, <alpha-value>? )
<hsla()> = hsla( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsla( <hue>, <percentage>, <percentage>, <alpha-value>? )

where
<alpha-value> = <number> | <percentage>
<hue> = <number> | <angle>

Examples

A simple div with a border

HTML

<div class="mybox">
  <p>This is a box with a border around it.
     Note which side of the box is
     <span class="redtext">red</span>.</p>
</div>

CSS

.mybox {
  border: solid 0.3em gold;
  border-top-color: red;
    width: auto;
}

.redtext {
  color: red;
}

Result

Specifications

Specification Status Comment
CSS Backgrounds and Borders Module Level 3
The definition of 'border-top-color' in that specification.
Candidate Recommendation No significant changes, though the transparent keyword, now included in <color> which has been extended, has been formally removed.
CSS Level 2 (Revision 1)
The definition of 'border-top-color' in that specification.
Recommendation Initial definition

Initial valuecurrentcolor
Applies toall elements. It also applies to ::first-letter.
Inheritedno
Mediavisual
Computed valuecomputed color
Animation typea color
Canonical orderthe unique non-ambiguous order defined by the formal grammar

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
border-top-colorChrome Full support 1Edge Full support 12Firefox Full support 1
Notes
Full support 1
Notes
Notes Firefox also supports the non-standard -moz-border-top-colors CSS property that sets the top border to multiple colors.
IE Full support 4Opera Full support 3.5Safari Full support 1WebView Android Full support 1Chrome Android ? Edge Mobile Full support YesFirefox Android Full support 4
Notes
Full support 4
Notes
Notes Firefox also supports the non-standard -moz-border-top-colors CSS property that sets the top border to multiple colors.
Opera Android Full support 11Safari iOS Full support 1Samsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
See implementation notes.
See implementation notes.

See also