Color
#6b4587
#6b4587rgb(107, 69, 135)hsl(275, 32%, 40%)oklch(0.462 0.111 309.3)Colors that go with #6b4587
Charcoal, Crimson and Denim 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 #6b4587: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #6b4587 in 6 real palettes, including Wells Fargo's brand system and Lenovo's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #6b4587: 5 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Midnight Blue #191970
shipped10 real palettes, including Lufthansa's brand system and First Snow put Midnight Blue beside #6b4587, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #6b4587 in 8 real palettes, including Stripe's brand system and Wayfair's brand system, as the accent.
Sea Green #2e8b57
shippedSea Green shows up next to #6b4587 in 4 real palettes, including Subaru's brand system and Jack Daniel's's brand system, as the accent.
Taupe #483c32
shippedTaupe is paired with #6b4587 in 7 real palettes, including Superhuman's brand system and Dusk, as the lead colour.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #6b4587 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #6b4587
Tints & shades
Harmonies
Contrast
| #6b4587 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.43:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.83:1 | 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 #6b4587 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 #6b4587 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6b4587-b89cc4-c0cb62-2d1f2d-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