A light blue, black text passes AA

What color is skyblue?

The CSS named color skyblue is #87ceeb, or rgb(135 206 235): a light blue in plain words. Black text on it reaches 12.06:1, passing WCAG AAA, and Recolor (recolor.page) can put it on a real page.

Last updated

#87ceebskyblue
The keyword's value in CSS Color 4 (culori's list of named colors), converted with Recolor's color code, October 9, 2026
FormatValue
Keywordskyblue
Hex#87ceeb
RGBrgb(135 206 235)
HSLhsl(197 71% 73%)
OKLCHoklch(81.5% 0.082 225.8)
Nearest Tailwind colorsky-300 #74d4ff, 0.030 away in OKLab
White text1.74:1: AA fails, AAA fails, large text fails
Black text12.06:1: AA passes, AAA passes, large text passes

About skyblue

In OKLCH terms skyblue has a lightness of 81.5%, a chroma of 0.082 and a hue of 225.8 degrees, a light blue to the eye.

Its lightness is 73% in HSL and 81.5% in OKLCH, 9 points apart; only the second tracks how light it looks. Among the CSS keywords, lightskyblue (#87cefa) comes closest at 0.022 in OKLab, close enough to stand in for it in a sketch.

For text, skyblue wants black: 12.06:1 clears even AAA's 7:1, and white at 1.74:1 fails AA. Its neighbors in the hue-sorted list of names are turquoise and mediumturquoise.

The closest Tailwind 4.3.3 color is sky-300, 0.030 away in OKLab, so bg-sky-300 comes near; bg-[#87ceeb] gives the color itself.

Tints and shades

  1. #ecf7fc
  2. #d8eff9
  3. #c5e7f5
  4. #b1dff2
  5. #9cd6ef
  6. #87ceeb
  7. #69a1b8
  8. #4c7788
  9. #314e5b
  10. #182a31
  11. #04090c

From light to dark: 5 toward white and 5 toward black, mixed in OKLCH a sixth of the way at a time with the hue kept. A step that would repeat its neighbor is left out.

A palette around it

  1. #87ceeb
  2. #335f74
  3. #d1f1fe
  4. #c7794e
  5. #342119

Locked as the first of five swatches, skyblue gets #335f74, #d1f1fe, #c7794e, #342119 from Recolor's generator, a complementary palette, built on the hue opposite. The seed is its hex, so the palette stays the same. Open it in Recolor.

Using skyblue

As a text color, skyblue on a black page gives the same 12.06:1.

CSS
.notice {
  background-color: skyblue; /* #87ceeb */
  color: black; /* 12.06:1 */
}

Common questions

Does white text pass WCAG AA on skyblue?

No. White text measures 1.74:1 on skyblue, under AA's 4.5:1; black text measures 12.06:1 and passes.

Can skyblue be written in OKLCH?

Yes: oklch(81.5% 0.082 225.8), computed from #87ceeb. A named color is an sRGB color, so its OKLCH value converts back to the same hex.

Is there a named color close to skyblue?

Yes: lightskyblue (#87cefa) is the nearest, 0.022 away in OKLab, then lightsteelblue at 0.049.

Sources