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Sky Blue Color

CSS sky blue #87CEEB — the light, clear blue of a daytime sky.

HEX
#87CEEB
RGB
rgb(135, 206, 235)
HSL
hsl(197, 71.4%, 72.5%)
HSV
hsv(197, 42.6%, 92.2%)
CMYKapproximation
cmyk(43%, 12%, 0%, 8%)
CSS name
skyblue

Open sky blue in the color picker to adjust it or copy other formats.

About sky blue

#87CEEB is the CSS named color skyblue. It is a light blue with a noticeable green component, which gives it its fresh, open feel.

Its neighbours in CSS are easy to mix up: lightskyblue (#87CEFA) differs only in the blue channel and looks slightly purer, while deepskyblue (#00BFFF) is fully saturated and much more intense.

#87CEEB is the value of the CSS named color skyblue, defined in the CSS Color specification and identical in every browser.

Other colors called sky blue

  • Light sky blue (CSS) #87CEFASame red and green, more blue.
  • Deep sky blue (CSS) #00BFFFA vivid, saturated sky blue.

Sky Blue shades and tints

Shades mix sky blue with black, tints mix it with white — useful for hover states, borders and backgrounds. Click a swatch to copy its HEX code.

Colors that go with sky blue

Color harmonies based on the hue of #87CEEB: its complement on the opposite side of the color wheel, its analogous neighbours and its triadic partners.

Sky Blue contrast and readability

On a sky blue background, black text reads best (12.05:1). Here is how sky blue works as a text color:

#87CEEB on white

1.74:1

Normal text sample

Large text

  • AA normal text (4.5:1)Fail
  • AA large text (3:1)Fail
  • AAA normal text (7:1)Fail
  • AAA large text (4.5:1)Fail

#87CEEB on black

12.05:1

Normal text sample

Large text

  • AA normal text (4.5:1)Pass
  • AA large text (3:1)Pass
  • AAA normal text (7:1)Pass
  • AAA large text (4.5:1)Pass

Sky blue suits backgrounds, illustrations and friendly UI accents with dark text. It is too light to be used as text on white.

Using sky blue in CSS and HTML

CSS custom property
:root {
  --color-sky-blue: #87CEEB;
}

.highlight {
  background-color: var(--color-sky-blue);
}
Background and text color
.banner {
  background-color: skyblue;
  color: #000000;
}

.label {
  color: #87CEEB;
  border: 2px solid rgb(135, 206, 235);
}
Inline style in HTML
<p style="background-color: #87CEEB; color: #000000;">
  Sky Blue background
</p>