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
#2a355argb(42, 53, 90)hsl(226, 36%, 26%)oklch(0.338 0.067 270)Dark Olive Green, Steel Blue and Blush Pink 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.
Dark Olive Green sits directly opposite #2a355a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Steel Blue is #2a355a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blush Pink is paired with #2a355a in 5 real palettes, including Rain Garden and Garden Wedding, as the accent — a combination designers have actually shipped, not a computed rotation.
Burlywood is paired with #2a355a in 4 real palettes, including Coastal and Polaroid, as the accent — a combination designers have actually shipped, not a computed rotation.
Cadet Blue is paired with #2a355a in 6 real palettes, including Open House and Coastal, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Copper is paired with #2a355a in 8 real palettes, including Notion's brand system and Clean Beauty — a combination designers have actually shipped, not a computed rotation.
Hunter Green is paired with #2a355a in 5 real palettes, including Pine & Birch and Canopy, as the lead colour — a combination designers have actually shipped, not a computed rotation.
White Smoke is the surface for #2a355a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #2a355a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.96:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.76:1 | 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 #2a355a as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#2a355a 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 #2a355a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/2a355a-9ca1c4-df774e-221f2d-e9eff1?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