Color
#510040
#510040rgb(81, 0, 64)hsl(313, 100%, 16%)oklch(0.294 0.128 339.6)Colors that go with #510040
Crimson, Denim 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.
Crimson #dc143c
analogousshippedCrimson is #510040's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Denim #1560bd
shippedDesigners have shipped Denim with #510040: 4 real palettes, including Heinz's brand system and Box's brand system, as the accent.
Sea Green #2e8b57
complementarySea Green sits directly opposite #510040 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cream #fffdd0
neutralshippedCream is the surface #510040 wants: a warm off-white that shares its undertone, so #510040 reads softer on it than on pure white.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #510040: 3 real palettes, including Macaron and Sorbet, as the supporting colour.
Teal #008080
split-complementTeal is a split-complement of #510040: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Olive Drab #6b8e23
split-complementOlive Drab is a split-complement of #510040: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedTwo real palettes: Sketch's brand system and Tim Hortons's brand system put Blue beside #510040, as the accent.
Real palettes that use #510040
Tints & shades
Harmonies
Contrast
| #510040 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.75:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.42:1 | 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 #510040 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
#510040 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 #510040 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/510040-c19fb5-7ecb62-2d1f24-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