Color
#559191
#559191rgb(85, 145, 145)hsl(180, 26%, 45%)oklch(0.616 0.063 195.6)Colors that go with #559191
Charcoal, Copper and Cobalt 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 #559191: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #559191: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #559191 in 4 real palettes, including Intel's brand system and Fintech Trust, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #559191 in 7 real palettes, including Diner and Redfin's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #559191 in 10 real palettes, including Peacock and Campus, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #559191 in 5 real palettes, including Ledger Dark and Noir Beauty, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #559191 in 8 real palettes, including Tide Pool and Ford's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Peru #cd853f
shippedPeru is paired with #559191 in 4 real palettes, including Estate and Paper & Pine, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #559191
Tints & shades
Harmonies
Contrast
| #559191 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.59:1 | fail | pass | fail | |
Aaon black | 5.85:1 | pass | 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 #559191 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 #559191 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/559191-a2bbbe-d45994-1f272d-e9f1ed?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