Color
#660a1b
#660a1brgb(102, 10, 27)hsl(349, 82%, 22%)oklch(0.33 0.123 18.7)Colors that go with #660a1b
Teal, Copper and Crimson 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.
Teal #008080
complementaryshippedTeal sits directly opposite #660a1b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Copper #b87333
shippedDesigners have shipped Copper with #660a1b: 4 real palettes, including Bramble and Chipotle's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #660a1b in 4 real palettes, including M&M's's brand system and Burger King's brand system, as the supporting colour.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #660a1b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Denim #1560bd
shippedDesigners have shipped Denim with #660a1b: 3 real palettes, including Heinz's brand system and Box's brand system, as the accent.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #660a1b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedTwo real palettes: Tim Hortons's brand system and Dunkin''s brand system put Blue beside #660a1b, as the accent.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #660a1b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #660a1b
Tints & shades
Harmonies
Contrast
| #660a1b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.93:1 | 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 #660a1b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#660a1b 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 #660a1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/660a1b-c49c9f-62cb85-2d231f-f1e9ee?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