Color
#81709e
#81709ergb(129, 112, 158)hsl(262, 19%, 53%)oklch(0.578 0.072 301.1)Colors that go with #81709e
Charcoal, Copper and Sea Green 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 #36454f
neutralshippedCharcoal is the text near-black for #81709e: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
triadicshippedCopper completes a triad with #81709e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #81709e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #81709e: 4 real palettes, including Fintech Trust and Ink & Paper, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #81709e in 4 real palettes, including Marvel's brand system and Retro Pop, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #81709e: 7 real palettes, including Campus and American Express's brand system, as the lead colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #81709e: 4 real palettes, including Newsprint and Honda's brand system, as the lead colour.
Midnight Blue #191970
shipped9 real palettes, including Plaid's brand system and Marvel's brand system put Midnight Blue beside #81709e, as the supporting colour.
Real palettes that use #81709e
Tints & shades
Harmonies
Contrast
| #81709e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.43:1 | fail | pass | fail | |
Aaon black | 4.74:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81709e as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #81709e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/81709e-af9cc4-dfce4e-2a1f2d-e9eaf1?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