Color
#b540b1
#b540b1rgb(181, 64, 177)hsl(302, 48%, 48%)oklch(0.576 0.199 329.2)Colors that go with #b540b1
Sea Green, Dark Cyan 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.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #b540b1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Dark Cyan #008b8b
split-complementshippedDark Cyan is a split-complement of #b540b1: 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 #b540b1: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
shippedDesigners have shipped Denim with #b540b1: 3 real palettes, including Hasbro's brand system and Peacock, as the supporting colour.
Olive Green #808000
split-complementOlive Green is a split-complement of #b540b1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Orange #ffa500
shippedTwo real palettes: Sunset Boulevard and Rippling's brand system put Orange beside #b540b1, as the supporting colour.
Plum #dda0dd
shippedPlum shows up next to #b540b1 in two real palettes: NYX Cosmetics's brand system and Semrush's brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #b540b1 in two real palettes: Loom's brand system and Ubisoft's brand system, as the lead colour.
Real palettes that use #b540b1
Tints & shades
Harmonies
Contrast
| #b540b1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.85:1 | pass | pass | fail |
|
Aaon black | 4.33:1 | fail | 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 #b540b1 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
#b540b1 reads as warm. 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 #b540b1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b540b1-c19fbc-91cb62-2d1f27-eee9f1?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