Color
#51157f
#51157frgb(81, 21, 127)hsl(274, 72%, 29%)oklch(0.358 0.163 304.6)Colors that go with #51157f
Olive Green, Teal and Sea Green 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.
Olive Green #808000
complementaryOlive Green sits directly opposite #51157f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
triadicshippedTeal completes a triad with #51157f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #51157f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue Violet #8a2be2
shippedBlue Violet is paired with #51157f in two real palettes: Taco Bell's brand system and Twitch's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #51157f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #51157f in two real palettes: Lenovo's brand system and Marvel's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #51157f in two real palettes: Slack's brand system and Hinge's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #51157f in two real palettes: Visa's brand system and Gillette's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #51157f
Tints & shades
Harmonies
Contrast
| #51157f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.91:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.76:1 | 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 #51157f 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
#51157f reads as cool, vivid, dark. 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 #51157f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51157f-b79cc4-c2cb62-2d1f2d-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