Velvet
Open in tool →Burgundy and plum on near-black with a brass accent — theatre, wine, and anything that wants to feel after-dark.
Color
#66293f
#66293f
hex
#66293frgb
rgb(102, 41, 63)hsl
hsl(338, 43%, 28%)oklch
oklch(0.375 0.091 359.8)Closest name: Arcane Red (#6a2f2f)Relative luminance 0.0477
Colors that go with #66293f
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 #66293f 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 #66293f: 4 real palettes, including Bramble and Notion's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #66293f in 5 real palettes, including M&M's's brand system and Burger King's brand system, as the supporting colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #66293f: 4 real palettes, including Macaron and Nursery, as the supporting colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #66293f: 5 real palettes, including Stone and Garden Wedding, as the supporting colour.
Slate Gray #708090
shipped5 real palettes, including Bookshop and Sepia Mono put Slate Gray beside #66293f, as the supporting colour.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #66293f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #66293f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #66293f
Tints & shades
Harmonies
Contrast
| #66293f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.75:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.95:1 | 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 #66293f as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#66293f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #66293f
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #66293f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/66293f-c49ca6-62cb72-2d201f-f1e9f0?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