Color
#6b407d
#6b407drgb(107, 64, 125)hsl(282, 32%, 37%)oklch(0.448 0.107 315.2)Colors that go with #6b407d
Sea Green, Charcoal and Midnight 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.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #6b407d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #6b407d: softer than #000 and cool enough to feel like part of the same palette.
Midnight Blue #191970
shipped5 real palettes, including Lufthansa's brand system and First Snow put Midnight Blue beside #6b407d, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #6b407d in 5 real palettes, including Wayfair's brand system and Console Light, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #6b407d in 6 real palettes, including Datadog's brand system and Dusk, as that palette's text colour.
Crimson #dc143c
shippedCrimson is paired with #6b407d in 3 real palettes, including Wells Fargo's brand system and Lenovo's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #6b407d: 3 real palettes, including Hinge's brand system and HP's brand system, as the accent.
Tomato #ff6347
shipped3 real palettes, including Golden Hour and Harley-Davidson's brand system put Tomato beside #6b407d, as the supporting colour.
Real palettes that use #6b407d
Tints & shades
Harmonies
Contrast
| #6b407d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.91:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.65:1 | 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 #6b407d as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #6b407d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6b407d-ba9fc1-b4cb62-2d1f2b-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