Color
#581f61
#581f61rgb(88, 31, 97)hsl(292, 52%, 25%)oklch(0.355 0.123 322)Colors that go with #581f61
Charcoal, Crimson and Midnight 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 #581f61: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #581f61 in 4 real palettes, including Lenovo's brand system and Marvel's brand system, as the supporting colour.
Midnight Blue #191970
shipped4 real palettes, including Tide Pool and Volkswagen's brand system put Midnight Blue beside #581f61, as that palette's text colour.
Tomato #ff6347
shipped5 real palettes, including Golden Hour and FedEx's brand system put Tomato beside #581f61, as the supporting colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #581f61 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Denim #1560bd
shippedDesigners have shipped Denim with #581f61: 3 real palettes, including Hinge's brand system and Slack's brand system, as the accent.
Slate Blue #6a5acd
analogousshippedSlate Blue is #581f61's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Slate Gray #708090
shipped3 real palettes, including Bloomberg's brand system and Hermès's brand system put Slate Gray beside #581f61, as the accent.
Real palettes that use #581f61
Tints & shades
Harmonies
Contrast
| #581f61 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.77:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.78:1 | 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 #581f61 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
#581f61 reads as cool, 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 #581f61 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/581f61-c09fc1-a3cb62-2d1f29-ece9f1?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