Color
#551b39
#551b39rgb(85, 27, 57)hsl(329, 52%, 22%)oklch(0.323 0.093 351.5)Colors that go with #551b39
Sea Green, Steel Blue and Teal 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.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #551b39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
triadicshippedSteel Blue completes a triad with #551b39 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
complementaryshippedTeal sits directly opposite #551b39 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped7 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #551b39, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Blush and Nursery put Blush Pink beside #551b39, as the supporting colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #551b39: 5 real palettes, including Clean Beauty and Dusk, as the lead colour.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #551b39: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #551b39
Tints & shades
Harmonies
Contrast
| #551b39 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.11:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.6:1 | 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 #551b39 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#551b39 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:
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 #551b39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/551b39-c49cac-62cb62-2d1f21-f1e9f1?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