Color
#561d81
#561d81rgb(86, 29, 129)hsl(274, 63%, 31%)oklch(0.374 0.158 305.9)Colors that go with #561d81
Midnight Blue, Olive Green and Charcoal 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.
Midnight Blue #191970
shipped4 real palettes, including Gillette's brand system and Visa's brand system put Midnight Blue beside #561d81, as the supporting colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #561d81 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #561d81: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #561d81 in 3 real palettes, including Lenovo's brand system and Casper Sleep's brand system, as the supporting colour.
Royal Blue #4169e1
analogousshippedRoyal Blue is #561d81's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Tomato #ff6347
shipped3 real palettes, including dbt Labs's brand system and Golden Hour put Tomato beside #561d81, as the lead colour.
Teal #008080
triadicshippedTeal completes a triad with #561d81 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #561d81: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #561d81
Tints & shades
Harmonies
Contrast
| #561d81 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.12:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.89:1 | 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 #561d81 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
#561d81 reads as cool, vivid, technical. 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 #561d81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/561d81-b79cc4-c2cb62-2d1f2d-eae9f1?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