Deep Sky Blue #00BFFF

Deep Sky Blue color (#00BFFF)

Deep Sky Blue is one of the 148 CSS named colors. Use the keyword deepskyblue anywhere CSS accepts a color, or its hex code #00BFFF, which is rgb(0, 191, 255) in RGB.

It is a light, vivid cool color with a hue angle of 195° on the HSL color wheel and a perceived lightness of 76% in OKLCH. On a deep sky blue background, black text gives the higher contrast at 9.89:1, which passes WCAG AA for normal text.

Deep Sky Blue color codes

CSS name deepskyblue
HEX #00BFFF
HEX (8-digit) #00BFFFFF
RGB rgb(0, 191, 255)
HSL hsl(195, 100%, 50%)
HSV / HSB hsv(195, 100%, 100%)
OKLCH oklch(75.5% 0.1534 231.6)
CMYK cmyk(100%, 25.1%, 0%, 0%)

Contrast with white and black

WCAG 2 contrast ratios and APCA lightness contrast (Lc) for deep sky blue used as text and as a background.

Aa Sample text
Deep Sky Blue text on white
2.12:1 WCAG Lc 40.9 APCA Fails AA
Aa Sample text
Deep Sky Blue text on black
9.89:1 WCAG Lc -61.4 APCA Passes AA
Aa Sample text
White text on deep sky blue
2.12:1 WCAG Lc -45.5 APCA Fails AA
Aa Sample text
Black text on deep sky blue
9.89:1 WCAG Lc 63.1 APCA Passes AA

Tints and shades of deep sky blue

Tints mix deep sky blue with white; shades mix it with black, in 10% steps. Click a swatch to copy it, or build custom scales in the tint & shade generator.

Tints

Shades

Colors that go with deep sky blue

Harmonies calculated on the HSL color wheel. Explore more in the color scheme generator.

Complementary

Analogous

Triadic

Split-Complementary

Deep Sky Blue with color blindness

Approximately how deep sky blue appears with each type of color vision deficiency. Test full designs with the color blindness simulator.

Using deep sky blue in CSS

.element {
  color: deepskyblue;
  background-color: #00bfff;
  border-color: rgb(0 191 255 / 50%);
  outline-color: oklch(75.5% 0.1534 231.6);
}

Similar named colors

See all shades of blue or browse every CSS color name.

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