Color
#bb51f0
#bb51f0rgb(187, 81, 240)hsl(280, 84%, 63%)oklch(0.64 0.236 312.2)Colors that go with #bb51f0
Olive Drab, Charcoal and Dark Goldenrod 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 #bb51f0 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 #bb51f0: softer than #000 and cool enough to feel like part of the same palette.
Dark Goldenrod #b8860b
split-complementDark Goldenrod is a split-complement of #bb51f0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Medium Sea Green #3cb371
split-complementMedium Sea Green is a split-complement of #bb51f0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Denim #1560bd
shippedDesigners have shipped Denim with #bb51f0: two real palettes: Hasbro's brand system and Linkedin's brand system, as the supporting colour.
Medium Slate Blue #7b68ee
analogousshippedMedium Slate Blue is #bb51f0's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Taupe #483c32
shippedTaupe is paired with #bb51f0 in two real palettes: Loom's brand system and Obsidian's brand system, as that palette's text colour.
Cadet Blue #5f9ea0
triadicCadet Blue completes a triad with #bb51f0 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #bb51f0
Tints & shades
Harmonies
Contrast
| #bb51f0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.79:1 | fail | pass | fail | |
Aaon black | 5.55:1 | 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 #bb51f0 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
#bb51f0 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 #bb51f0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/bb51f0-b99fc1-b8cb62-2d1f2c-ebe9f1?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