Color
#c309ba
#c309bargb(195, 9, 186)hsl(303, 91%, 40%)oklch(0.57 0.255 330.9)Colors that go with #c309ba
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
complementarySea Green sits directly opposite #c309ba 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 #c309ba: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #c309ba: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Olive Green #808000
split-complementOlive Green is a split-complement of #c309ba: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Denim #1560bd
shippedDesigners have shipped Denim with #c309ba: two real palettes: Hasbro's brand system and Peacock, as the supporting colour.
Blue Violet #8a2be2
analogousBlue Violet is #c309ba's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #c309ba in The Ordinary's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #c309ba: JetBrains's brand system, as the supporting colour.
Real palettes that use #c309ba
Tints & shades
Harmonies
Contrast
| #c309ba as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.16:1 | pass | pass | fail |
|
Aaon black | 4.07:1 | 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 #c309ba 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
#c309ba reads as warm, vivid, playful. 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 #c309ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/c309ba-c19fbb-8fcb62-2d1f26-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