Color
#640689
#640689rgb(100, 6, 137)hsl(283, 92%, 28%)oklch(0.385 0.188 312.2)Colors that go with #640689
Forest Green, Sea Green and Olive 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.
Forest Green #228b22
complementaryForest Green sits directly opposite #640689 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-complementSea Green is a split-complement of #640689: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Olive Green #808000
split-complementOlive Green is a split-complement of #640689: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #640689: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Teal #008080
triadicTeal completes a triad with #640689 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna #a0522d
triadicSienna completes a triad with #640689 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Medium Violet Red #c71585
analogousMedium Violet Red is #640689's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue Violet #8a2be2
shippedBlue Violet is paired with #640689 in Twitch's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #640689
Tints & shades
Harmonies
Contrast
| #640689 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.89:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.93:1 | 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 #640689 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
#640689 reads as cool, vivid, dark. 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 #640689 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/640689-bb9fc1-b2cb62-2d1f2b-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