Color
#6d18cd
#6d18cdrgb(109, 24, 205)hsl(268, 79%, 45%)oklch(0.468 0.24 296.1)Colors that go with #6d18cd
Olive Green, Teal and Forest Green 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 Green #808000
complementaryOlive Green sits directly opposite #6d18cd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
triadicshippedTeal completes a triad with #6d18cd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Forest Green #228b22
split-complementForest Green is a split-complement of #6d18cd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralCharcoal is the text near-black for #6d18cd: softer than #000 and cool enough to feel like part of the same palette.
Sienna #a0522d
triadicSienna completes a triad with #6d18cd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Royal Blue #4169e1
analogousRoyal Blue is #6d18cd'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 #6d18cd in Gemstone, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #6d18cd in Slack's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #6d18cd
Tints & shades
Harmonies
Contrast
| #6d18cd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.89:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.66:1 | 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 #6d18cd 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
#6d18cd 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 #6d18cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6d18cd-b39cc4-dfdc4e-2c1f2d-e9eaf1?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