Color
#9f57cb
#9f57cbrgb(159, 87, 203)hsl(277, 53%, 57%)oklch(0.591 0.18 310.7)Colors that go with #9f57cb
Olive Drab, Sea 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.
Olive Drab #6b8e23
complementaryOlive Drab sits directly opposite #9f57cb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #9f57cb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #9f57cb: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #9f57cb: 3 real palettes, including Linkedin's brand system and Hasbro's brand system, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #9f57cb in 3 real palettes, including Obsidian's brand system and Loom's brand system, as that palette's text colour.
Dark Cyan #008b8b
triadicshippedDark Cyan completes a triad with #9f57cb — 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 #9f57cb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #9f57cb in two real palettes: Marvel's brand system and Gemstone, as the accent.
Real palettes that use #9f57cb
Tints & shades
Harmonies
Contrast
| #9f57cb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.47:1 | fail | pass | fail | |
Aaon black | 4.7:1 | 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 #9f57cb 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
#9f57cb reads as cool, modern. 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 #9f57cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/9f57cb-b99cc4-bdcb62-2d1f2c-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