Color
#511f01
#511f01rgb(81, 31, 1)hsl(23, 98%, 16%)oklch(0.309 0.085 46.7)Colors that go with #511f01
Charcoal, Crimson and Royal 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 body-text near-black for #511f01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
analogousshippedCrimson is #511f01's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #511f01: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
analogousshippedSienna is #511f01's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Steel Blue #4682b4
complementaryshippedSteel Blue sits directly opposite #511f01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #511f01 in 4 real palettes, including Maple and Wikipedia's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #511f01 in 7 real palettes, including Tim Hortons's brand system and Burger King's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #511f01 in 5 real palettes, including Blush and Garden Wedding, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #511f01
Tints & shades
Harmonies
Contrast
| #511f01 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.58:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.55:1 | 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 #511f01 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
#511f01 reads as warm, 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 #511f01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/511f01-c4b09c-62cbc0-2d2b1f-f1e9ea?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