Color
#51215e
#51215ergb(81, 33, 94)hsl(287, 48%, 25%)oklch(0.346 0.113 318.5)Colors that go with #51215e
Sea Green, Blue and Charcoal 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 #51215e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Sketch's brand system and Dunkin''s brand system put Blue beside #51215e, as the accent.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #51215e: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #51215e in 7 real palettes, including Lenovo's brand system and Marvel's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #51215e: 10 real palettes, including Hinge's brand system and Heinz's brand system, as the accent.
Midnight Blue #191970
shipped7 real palettes, including Tide Pool and Volkswagen's brand system put Midnight Blue beside #51215e, as that palette's text colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #51215e: 6 real palettes, including Macaron and Frost & Ember, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #51215e in 4 real palettes, including Confluent's brand system and Docker's brand system, as the supporting colour.
Real palettes that use #51215e
Tints & shades
Harmonies
Contrast
| #51215e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.15:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.73:1 | 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 #51215e 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
#51215e 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 #51215e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51215e-bd9fc1-abcb62-2d1f2a-ece9f1?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