Cobalt blue on cool, clear skin tones (True Winter)

The answer

Yes. Cobalt blue sits inside the True Winter palette. The nearest thing in the palette is #1E4ABC, ΔE 3.2 away. Under 12 reads as the same colour family; past 25 the two are visibly different colours.

It does not collide with anything on the season's avoid list, so the only question is distance.

How cobalt blue scores across all twelve seasons

Cobalt blue is an opinionated colour: True Winter scores it 92 and Light Spring scores it 0. A gap that wide means the colour genuinely decides something, and getting it right is worth the effort.

True Winter is the top of that list. No season wears cobalt blue better, which is worth knowing before you talk yourself out of it.

• True Winter: 92 (ΔE 3.2) <- this season.
• Bright Winter: 79 (ΔE 8.5).
• Deep Winter: 74 (ΔE 10.3).
• Light Spring: 0 (ΔE 43.8).

What to wear it with

The palette entries closest to cobalt blue are the ones that will read as a deliberate pairing rather than a near-miss, because a near-miss of two similar colours is more noticeable than a clear contrast.

• #1E4ABC: deep, a cobalt blue (ΔE 3.2).
• #004E89: deep, a cobalt blue (ΔE 6.3).
• #2A2E88: very deep, a cobalt blue (ΔE 9.8).