Color
#81509f
#81509frgb(129, 80, 159)hsl(277, 33%, 47%)oklch(0.52 0.13 311.3)Colors that go with #81509f
Charcoal, Crimson and Midnight Blue 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 #81509f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #81509f in 5 real palettes, including Wells Fargo's brand system and Marvel's brand system, as the lead colour.
Midnight Blue #191970
shipped5 real palettes, including Marvel's brand system and Fintech Trust put Midnight Blue beside #81509f, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #81509f in 4 real palettes, including Wayfair's brand system and Stripe's brand system, as the supporting colour.
Sea Green #2e8b57
shippedSea Green shows up next to #81509f in 4 real palettes, including Next.js's brand system and Jack Daniel's's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #81509f in 4 real palettes, including Superhuman's brand system and Dusk, as the lead colour.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #81509f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
split-complementshippedTeal is a split-complement of #81509f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #81509f
Tints & shades
Harmonies
Contrast
| #81509f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.86:1 | pass | pass | fail |
|
Aaon black | 3.58:1 | fail | 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 #81509f 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 #81509f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/81509f-b99cc4-bdcb62-2d1f2c-eae9f1?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