Color
#840a99
#840a99rgb(132, 10, 153)hsl(291, 88%, 32%)oklch(0.448 0.209 320.5)Colors that go with #840a99
Denim, Forest Green and Blue Violet 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.
Denim #1560bd
shippedDesigners have shipped Denim with #840a99: 4 real palettes, including Slack's brand system and Peacock, as the lead colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #840a99 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue Violet #8a2be2
analogousshippedBlue Violet is #840a99's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #840a99: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #840a99 in 3 real palettes, including Lenovo's brand system and Gemstone, as the supporting colour.
Teal #008080
triadicshippedTeal completes a triad with #840a99 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Olive Green #808000
split-complementOlive Green is a split-complement of #840a99: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #840a99: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #840a99
Tints & shades
Harmonies
Contrast
| #840a99 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.45:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.48:1 | 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 #840a99 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
#840a99 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 #840a99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/840a99-bf9fc1-a4cb62-2d1f29-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