Color
#655591
#655591rgb(101, 85, 145)hsl(256, 26%, 45%)oklch(0.492 0.095 294.9)Colors that go with #655591
Charcoal, Sea Green 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #655591: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #655591: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #655591 in 8 real palettes, including Marvel's brand system and Amazon's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #655591 in 7 real palettes, including HP's brand system and The New York Times's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #655591 in 5 real palettes, including Campbell's's brand system and Datadog's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #655591 in 8 real palettes, including Fintech Trust and FIFA's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #655591 in 10 real palettes, including Stripe's brand system and GitHub's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Steel Blue #4682b4
analogousshippedSteel Blue is #655591's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Real palettes that use #655591
Tints & shades
Harmonies
Contrast
| #655591 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.44:1 | pass | pass | fail |
|
Aaon black | 3.26:1 | 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 #655591 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 #655591 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/655591-ab9cc4-dfbf4e-291f2d-e9ebf1?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