Cool Winter (or True Winter) is the cool, clear, deep heart of the Winter family. The palette is built on jewel tones and high contrast. The twelve hex codes above are the anchor points. The rules below explain the system.
What makes a colour Cool Winter
Three traits converge.
Strongly cool undertone, dominant trait. Of the three Winter variants, Cool Winter is the most decisively cool. Pigments lean blue, true cool pink, magenta, royal violet, and emerald with a blue cast. Warm casts (yellow, peach, golden) are excluded.
Medium-to-deep value. The palette uses the full range from pure white at the top to cool charcoal at the bottom. Most everyday pieces fall in the medium-deep range, with the extremes used as anchor neutrals.
Clear-to-bright chroma. Saturation is high but not as extreme as Bright Winter. The palette is sharp and jewel-like rather than electric.
Lose the coolness and you slip toward the warm half. Lose the chroma and you move into Cool Summer. Push the chroma higher and the palette becomes Bright Winter.
Cool Winter versus its neighbours
- Bright Winter is one step more saturated. Same coolness, higher chroma. If electric brights feel slightly too loud and clear jewel tones feel right, Cool Winter is the precise fit.
- Dark Winter is one step deeper and slightly less chromatic. If Cool Winter colours feel slightly too clear and you carry depth better, Dark Winter is the move.
- Cool Summer is one step softer. Same coolness, less chroma, lighter value. If pastels feel light and Cool Winter feels heavy, Cool Summer is the better season.
The Cool Winter / Bright Winter line is narrow. The drape test against pure electric magenta (Bright Winter) versus clear jewel magenta (Cool Winter) settles it.
How to use these hex codes
The twelve codes split into four practical groups.
Reds and pinks. True red #C81830 is the signature. Berry #88184A is the deeper red. Magenta #B81878 and Hot pink #D830A0 cover the pink-violet range.
Blues and violets. Cool blue #2858B0 is the wardrobe blue. Royal purple #5028A0 is the deep violet. Icy blue #C8D8E8 is the light accent. Icy violet #C8C0E0 is the soft violet.
Greens. Emerald #1A8060 is the only green in the palette — clear, cool, jewel-toned.
Neutrals. Pure white #FCFCFC is the lightest neutral. True grey #707078 is the mid. Cool charcoal #1A1A22 is the darkest and replaces pure black for most Cool Winter wardrobes; true black works as well.
Hex math behind the palette
Three programmatic conditions.
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HSL hue in 200-360 (cool half). Strictly cool blues, violets, magentas, and emeralds. Warm casts excluded.
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HSL saturation between 50 and 80 per cent. Clear chroma, lower than Bright Winter, higher than Cool Summer.
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HSL lightness across the range, with concentration in 30-55 per cent and use of the extreme values for neutrals.
The colour finder shows HSL for any hex.
How to know if you are Cool Winter
Daylight diagnostic checks.
- True red and royal purple both flatter the face.
- Pure white blouses look balanced, not stark.
- Cool charcoal and true black both work as dark neutrals.
- Silver jewellery flatters; yellow gold looks brassy.
- Veins read blue or blue-violet against the wrist.
- Hair is cool — ash brown, black-brown, deep cool dark.
- Eyes have a clear bright quality — cool blue, cool grey-green, cool dark brown.
- Pastels feel insubstantial; electric colours feel slightly too much.
If five or more match, Cool Winter is the call. The drape test against Bright Winter (more saturated) and Dark Winter (deeper and slightly softer) confirms.
Cool Winter in brand and product work
The palette is high-contrast and reads as premium, editorial, and refined-sharp. Accessibility is mostly automatic.
Body text in Cool charcoal #1A1A22 on Pure white #FCFCFC gives 17.0:1, easily passing. Cool blue #2858B0 on white gives 8.5:1. Royal purple #5028A0 on white gives 10.3:1. Magenta #B81878 on white gives 4.7:1, just passing for body. Berry #88184A on white gives 8.6:1.
The pattern for a Cool Winter brand is direct: white surface, charcoal body text, and one jewel accent as the hero. Magenta, royal purple, or emerald all work. The palette has the structural contrast to support both light and dark interface modes from the same palette. See the accessibility article for full luminance calculations.
Building a Cool Winter wardrobe
Five anchors. A Cool charcoal coat. Pure white trousers. A True grey knit. A Cool blue blouse. A True red dress.
The palette is internally coherent through cool depth and clear chroma. Add accent pieces in magenta, royal purple, and emerald to expand. Cool Winter wardrobes tend to look intentional in any combination because the palette tolerates no muddy half-tones.