Sky Blue #87CEEB

Sky Blue (#87CEEB) is a light, soft sky blue with an OKLCH hue of 226°, lightness 0.81 and chroma 0.082. It sits on the cool side of the color wheel. In practice it behaves as a mid-weight working color for secondary surfaces and editorial blocks.

Color values

HEX#87CEEB
RGBrgb(135, 206, 235)
HSLhsl(197, 71%, 73%)
HSVhsv(197, 43%, 92%)
CMYKcmyk(43%, 12%, 0%, 8%)
CIE Lablab(79.2 -14.8 -21.3)
OKLCHoklch(0.815 0.082 226)

How Sky Blue behaves under real light

Under warm 2700K interior light Sky Blue shifts subtly: leans toward blue-green, loses intensity; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 2.3), so it is a lighting-stable choice.

Test Sky Blue in the color lighting simulator — sweep it through daylight, warm 2700K light, 4000K LED, and shade alongside the rest of your palette.

Contrast & accessibility

Against white it measures 1.74:1 and against black 12.06:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text. Avoid white text on this color entirely.

Colors that go with Sky Blue

Tonal

One color explored: close hues with real lightness and chroma structure, so the palette is the anchor through value rather than a set of colors.

#e1f6ff · #87ceeb · #6badc7 · #4a869d · #2b6175 · #093e4f

Analogous

The anchor's neighbours on the wheel — everything shares an undertone, so the chord carries color without anything having to be muted to get along.

#abebe9 · #96ddea · #87ceeb · #84b6dc · #829fc8 · #7e88b2

Shifted

The mid-gap pairing — sage and mustard, terracotta and olive. A foil rotated 40–65° toward warm or cool: too far to be kin, too near to argue, carried by temperature and a deliberate value offset.

#87ceeb · #9ca1bd · #548ea5 · #5c6396 · #1b5367 · #2c2f48

Contrast

One deliberately opposed voice — a single restrained counterpoint across the wheel, or temperature against temperature where the anchor is too muted to carry a loud opposite.

#d6eaf3 · #87ceeb · #cb9075 · #628593 · #466471 · #31444d

Quiet Support

The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.

#87ceeb · #ada4a0 · #6a767b · #4a4442 · #121e23 · #050201

Bright Accent

This color as a ground rather than a subject — its own restraint held across a narrow value band, carrying one saturated voice from the opposite temperature.

#faefea · #d4c7c2 · #a99b95 · #34241c · #110401 · #87ceeb

Complementary

The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.

#dee0bb · #87ceeb · #e96440 · #586dab · #50323f · #031128

Split-complementary

The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.

#87ceeb · #b4a299 · #976467 · #5f3e01 · #360a11 · #0f0500

Triadic

Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.

#87ceeb · #b2a0a9 · #91657c · #4c4803 · #1f1d00 · #040002

Tetradic

Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.

#87ceeb · #aca2b1 · #83688e · #69361c · #0b2300 · #110200

Tints, shades & muted variants

Tints

#98D5EF · #A8DCF3 · #B8E4F6 · #C7EBFA · #D6F2FE

Shades

#69A9C3 · #4C859C · #2F6377 · #144353 · #002532

Muted

#96CCE3 · #A3C9DA · #AFC7D1

Using Sky Blue

Its moderate chroma lets it work in mid-size areas — upholstery, secondary UI surfaces, editorial blocks — without overwhelming neighbors. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.

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