Heatwave
Open in tool →Blaze orange and hot yellow with one cold blue — the high-noon palette; use the blue where the eye needs to rest.
Color
#211302rgb(33, 19, 2)hsl(33, 89%, 7%)oklch(0.201 0.039 71.9)Charcoal, Denim and Rust 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.
Charcoal is the body-text near-black for #211302: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Denim sits directly opposite #211302 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Rust is #211302's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Slate Blue is a split-complement of #211302: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal is a split-complement of #211302: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
23 real palettes, including CVS's brand system and Signal's brand system put Blue beside #211302, as the supporting colour.
Blue Violet is paired with #211302 in 10 real palettes, including Yahoo's brand system and Prepare your taste buds...'s brand system, as the supporting colour.
| #211302 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 18.12:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.16:1 | 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 #211302 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#211302 reads as warm, vivid, dark. 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 #211302 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/211302-c4b79c-62c4cb-2d2d1f-f1eae9?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