Color
#584f87
#584f87rgb(88, 79, 135)hsl(250, 26%, 42%)oklch(0.462 0.09 289.8)Colors that go with #584f87
Charcoal, Steel Blue 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 #584f87: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
analogousshippedSteel Blue is #584f87's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #584f87 in 7 real palettes, including Amazon's brand system and Netflix's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #584f87: 9 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
Light Coral #f08080
shippedDesigners have shipped Light Coral with #584f87: 4 real palettes, including Sentry's brand system and Target : Expect More. Pay Less.'s brand system, as the lead colour.
Midnight Blue #191970
shipped10 real palettes, including FIFA's brand system and First Snow put Midnight Blue beside #584f87, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #584f87 in 11 real palettes, including Stripe's brand system and Console Light, as the accent.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #584f87: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #584f87
Tints & shades
Harmonies
Contrast
| #584f87 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.28:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.88:1 | 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 #584f87 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 #584f87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/584f87-a79cc4-dfb14e-281f2d-e9ecf1?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