Color
#6331ed
#6331edrgb(99, 49, 237)hsl(256, 84%, 56%)oklch(0.508 0.255 285)Colors that go with #6331ed
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 #6331ed: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #6331ed's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #6331ed in 4 real palettes, including NHL's brand system and Zillow's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #6331ed in 6 real palettes, including Gemstone and Coinbase's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #6331ed in 4 real palettes, including Render's brand system and Kraken's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #6331ed in 4 real palettes, including Pixar's brand system and Chase's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #6331ed in 4 real palettes, including Calm's brand system and Telehealth, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue is paired with #6331ed in 4 real palettes, including Stripe's brand system and ClickUp's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #6331ed
Tints & shades
Harmonies
Contrast
| #6331ed as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.58:1 | pass | pass | fail |
|
Aaon black | 3.19:1 | 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 #6331ed 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
#6331ed 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 #6331ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6331ed-ab9cc4-dfbf4e-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