Color
#56579f
#56579frgb(86, 87, 159)hsl(239, 30%, 48%)oklch(0.491 0.113 280.8)Colors that go with #56579f
Charcoal, Crimson and Firebrick 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 #56579f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #56579f in 4 real palettes, including Netflix's brand system and Amazon's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #56579f in 4 real palettes, including Campbell's's brand system and Nissan'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 #56579f in 5 real palettes, including Fintech Trust and Open House, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #56579f in 7 real palettes, including Guinness's brand system and Stripe's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Sea Green #2e8b57
shippedSea Green is paired with #56579f in 4 real palettes, including Jack Daniel's's brand system and Netflix's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #56579f in 6 real palettes, including Dusk and Superhuman's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #56579f 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 #56579f
Tints & shades
Harmonies
Contrast
| #56579f 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 #56579f 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 #56579f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/56579f-a09cc4-df964e-251f2d-e9edf1?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