Color
#51206f
#51206frgb(81, 32, 111)hsl(277, 55%, 28%)oklch(0.356 0.133 309.7)Colors that go with #51206f
Charcoal, Crimson 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #51206f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #51206f in 6 real palettes, including Lenovo's brand system and Casper Sleep's brand system, as the supporting colour.
Midnight Blue #191970
shipped5 real palettes, including Gillette's brand system and Visa's brand system put Midnight Blue beside #51206f, as the supporting colour.
Tomato #ff6347
shipped4 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #51206f, as the supporting colour.
Sea Green #2e8b57
complementarySea Green sits directly opposite #51206f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #51206f: 3 real palettes, including Peacock's brand system and Blue Mono, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #51206f: 3 real palettes, including Hinge's brand system and Slack's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #51206f in 3 real palettes, including Discord's brand system and Confluent's brand system, as the lead colour.
Real palettes that use #51206f
Tints & shades
Harmonies
Contrast
| #51206f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.76:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.79:1 | 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 #51206f 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
#51206f reads as cool, dark, luxury. 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 #51206f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51206f-b99cc4-bdcb62-2d1f2c-eae9f1?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