Color
#511773
#511773rgb(81, 23, 115)hsl(278, 67%, 27%)oklch(0.349 0.149 309.2)Colors that go with #511773
Olive Drab, Charcoal and Crimson 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 Drab #6b8e23
complementaryOlive Drab sits directly opposite #511773 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 #511773: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #511773 in 3 real palettes, including Lenovo's brand system and Casper Sleep's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #511773 in 3 real palettes, including Discord's brand system and Wayfair's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Tomato #ff6347
shippedTomato is paired with #511773 in 3 real palettes, including dbt Labs's brand system and Golden Hour, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Teal #008080
triadicshippedTeal completes a triad with #511773 — 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 #511773: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Olive Green #808000
split-complementOlive Green is a split-complement of #511773: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #511773
Tints & shades
Harmonies
Contrast
| #511773 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.21:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.72:1 | 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 #511773 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
#511773 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 #511773 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/511773-ba9cc4-bbcb62-2d1f2c-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