Sky Blue #87CEEB

Sky Blue is a light, moderately saturated teal or cyan with hex code #87CEEB and RGB rgb(135, 206, 235).

Aa

Black text reads best on this color (12.05:1).

About this color

#87CEEB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.082 and its hue 226°. Its hue sits on the cool side of the wheel. It is the named color Sky Blue. Black text reads best on it, at 12.05:1.

Hue familyTeals and cyans
Lightnesslight (81%)
Chromamoderately saturated (0.082)
Temperaturecool
Nearest nameSky Blue
Black text12.05:1
White text1.74:1

Colors that go with Sky Blue

Matches found by rotating Sky Blue around the OKLCH hue wheel, each labelled with the closest name in our list.

Color palettes with Sky Blue

Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Sky Blue, closest first.

Similar named colors

The eight named colors closest to Sky Blue, with their ΔE distance.

More about Sky Blue

How to make Sky Blue

A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.

  • 2 parts white
  • 1 part blue

Recipe result: #92C6F0, a difference of ΔE 0.027 from Sky Blue. That is very close: most people will not see the difference.

What colors make blue? | Color mixing chart

Codes for Sky Blue in every format

HEX#87CEEB
RGBrgb(135, 206, 235)
HSLhsl(197, 71%, 73%)
OKLCHoklch(81.5% 0.082 225.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #87CEEB 1.74:1 Fails Lc -35.5 Non-text elements, placeholder text
Black text on #87CEEB 12.05:1 AAA Lc 72.3 Content text, not long reading
#87CEEB text on white 1.74:1 Fails Lc 31.6 Non-text elements, placeholder text
#87CEEB text on black 12.05:1 AAA Lc -71.2 Content text, not long reading

Shades and tints of Sky Blue

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.

  1. Step 50

    50

    #EEF7FB

    oklch(97.1% 0.011 226)

  2. Step 100

    100

    #DAEEF6

    oklch(93.7% 0.024 223.7)

  3. Step 200

    200

    #BAE0F0

    oklch(88.5% 0.046 225.3)

  4. Step 300

    300 (this color)

    #87CEEB

    oklch(81.5% 0.082 225.8)

  5. Step 400

    400

    #18B0DE

    oklch(70.6% 0.131 225.8)

  6. Step 500

    500

    #0097C0

    oklch(63% 0.12 225.7)

  7. Step 600

    600

    #007FA2

    oklch(55.5% 0.106 225.7)

  8. Step 700

    700

    #006B89

    oklch(49.1% 0.094 225.7)

  9. Step 800

    800

    #005871

    oklch(42.8% 0.081 225.4)

  10. Step 900

    900

    #00495E

    oklch(37.7% 0.071 225)

  11. Step 950

    950

    #002B39

    oklch(26.9% 0.051 225.5)

Export this scale for Tailwind in the Tailwind colors tool

Sky Blue with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#BECBED0.064
Deuteranopia (no green cones)#AFBFEB0.057
Tritanopia (no blue cones)#5DD7D70.056
Achromatopsia (no color)#C4C4C40.082

Use Sky Blue in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.