Color
#540d43
#540d43rgb(84, 13, 67)hsl(314, 73%, 19%)oklch(0.311 0.118 339.9)Colors that go with #540d43
Crimson, Sea Green and 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.
Crimson #dc143c
analogousshippedCrimson is #540d43's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #540d43 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped5 real palettes, including Tim Hortons's brand system and Burger King's brand system put Blue beside #540d43, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #540d43: 4 real palettes, including Heinz's brand system and Hinge's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #540d43 in 4 real palettes, including Rotten Tomatoes's brand system and Docker's brand system, as the supporting colour.
Cream #fffdd0
neutralshippedCream is the surface #540d43 wants: a warm off-white that shares its undertone, so #540d43 reads softer on it than on pure white.
Midnight Blue #191970
shipped3 real palettes, including Tide Pool and Volkswagen's brand system put Midnight Blue beside #540d43, as that palette's text colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #540d43: 3 real palettes, including Macaron and Sorbet, as the supporting colour.
Real palettes that use #540d43
Tints & shades
Harmonies
Contrast
| #540d43 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.86:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.52:1 | 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 #540d43 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
#540d43 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 #540d43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/540d43-c19fb5-7ccb62-2d1f24-efe9f1?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