Frost & Ember
Open in tool →Navy and frost with one ember red — the classic cold-with-a-warm-accent structure, borrowed from a thousand ski posters.
Color
#183254rgb(24, 50, 84)hsl(214, 56%, 21%)oklch(0.315 0.069 255.9)Sea Green, Slate Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Sea Green completes a triad with #183254 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Blue is #183254's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal is #183254's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna sits directly opposite #183254 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber is paired with #183254 in 7 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
13 real palettes, including Alaska Airlines's brand system and Monzo's brand system put Blue beside #183254, as the accent.
5 real palettes, including Rain Garden and Blush put Blush Pink beside #183254, as the accent.
White Smoke is the surface for #183254: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #183254 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.94:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.62:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183254 as the background.
#183254 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #183254 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/183254-9ca9c4-df5a4e-1f1f2d-e9f0f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md