Color
#641b21
#641b21rgb(100, 27, 33)hsl(355, 57%, 25%)oklch(0.343 0.104 20)Colors that go with #641b21
Teal, Blue and Copper 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 #641b21 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #641b21, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #641b21: 5 real palettes, including Bramble and Chipotle's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #641b21 in 4 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 #641b21: 4 real palettes, including Macaron and Nursery, as the supporting colour.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #641b21 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #641b21: 7 real palettes, including Resort and Garden Wedding, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #641b21: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #641b21
Tints & shades
Harmonies
Contrast
| #641b21 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.21:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.72:1 | 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 #641b21 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
#641b21 reads as warm, 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 #641b21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/641b21-c49e9c-62cb8f-2d241f-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