Color
#6d3cd7
#6d3cd7rgb(109, 60, 215)hsl(259, 66%, 54%)oklch(0.51 0.221 290.9)Colors that go with #6d3cd7
Charcoal, Royal Blue and Amber 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 #6d3cd7: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #6d3cd7's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #6d3cd7 in 4 real palettes, including Mastodon hosted on mastodon.social's brand system and Warner Bros.'s brand system, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #6d3cd7: 5 real palettes, including Zillow's brand system and Warbyparker's brand system, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #6d3cd7: 4 real palettes, including Mastodon hosted on mastodon.social's brand system and Roblox's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #6d3cd7 in 5 real palettes, including Gemstone and Wells Fargo's brand system, as the accent.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #6d3cd7 in 4 real palettes, including Calm's brand system and Sentry's brand system, as the supporting colour.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to #6d3cd7 in 4 real palettes, including ClickUp's brand system and Stripe's brand system, as the supporting colour.
Real palettes that use #6d3cd7
Tints & shades
Harmonies
Contrast
| #6d3cd7 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.41:1 | pass | pass | fail |
|
Aaon black | 3.28:1 | 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 #6d3cd7 as the background.
Brands using this color
Fonts for this mood
#6d3cd7 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 #6d3cd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6d3cd7-ad9cc4-dfc74e-2a1f2d-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