Color
#642be9
#642be9rgb(100, 43, 233)hsl(258, 81%, 54%)oklch(0.5 0.256 286.3)Colors that go with #642be9
Charcoal, Royal Blue and Cobalt Blue 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #642be9: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #642be9's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #642be9: 7 real palettes, including Zillow's brand system and Oreo's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #642be9 in 5 real palettes, including Gemstone and Coinbase's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #642be9: 4 real palettes, including Kraken's brand system and Render's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #642be9: 6 real palettes, including Linkedin's brand system and Dairy Queen's brand system, as the lead colour.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #642be9 in 4 real palettes, including Calm's brand system and 1password's brand system, as the supporting colour.
Midnight Blue #191970
shipped8 real palettes, including Kraken's brand system and Discord's brand system put Midnight Blue beside #642be9, as the lead colour.
Real palettes that use #642be9
Tints & shades
Harmonies
Contrast
| #642be9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.85:1 | pass | pass | fail |
|
Aaon black | 3.06:1 | 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 #642be9 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
#642be9 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 #642be9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/642be9-ad9cc4-dfc44e-291f2d-e9ebf1?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