Color
#6431fc
#6431fcrgb(100, 49, 252)hsl(255, 97%, 59%)oklch(0.524 0.271 283.4)Colors that go with #6431fc
Charcoal, Denim 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 #6431fc: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
analogousshippedDenim is #6431fc'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 #6431fc: 6 real palettes, including NHL's brand system and Nivea's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #6431fc: 4 real palettes, including Roblox's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #6431fc in 6 real palettes, including Gemstone and Coinbase's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #6431fc: 4 real palettes, including Render's brand system and Warp's brand system, as the supporting colour.
Midnight Blue #191970
shipped5 real palettes, including Discord's brand system and Penpot's brand system put Midnight Blue beside #6431fc, as the supporting colour.
Red #ff0000
shippedRed is paired with #6431fc in 5 real palettes, including Pepsi's brand system and Twitch's brand system, as the lead colour.
Real palettes that use #6431fc
Tints & shades
Harmonies
Contrast
| #6431fc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.2:1 | pass | pass | fail |
|
Aaon black | 3.39:1 | 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 #6431fc 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
#6431fc 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 #6431fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6431fc-ab9cc4-dfbd4e-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