Color
#591e6b
#591e6brgb(89, 30, 107)hsl(286, 56%, 27%)oklch(0.362 0.135 317.3)Colors that go with #591e6b
Charcoal, Sea Green 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #591e6b: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
complementarySea Green sits directly opposite #591e6b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #591e6b in 3 real palettes, including Lenovo's brand system and Marvel's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #591e6b in 3 real palettes, including Gillette's brand system and Tide Pool, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Tomato #ff6347
shippedTomato is paired with #591e6b in 3 real palettes, including Golden Hour and Harley-Davidson's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Olive Green #808000
split-complementOlive Green is a split-complement of #591e6b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Slate Blue #6a5acd
analogousshippedSlate Blue is #591e6b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Denim #1560bd
shippedDenim is paired with #591e6b in two real palettes: Hinge's brand system and Slack's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #591e6b
Tints & shades
Harmonies
Contrast
| #591e6b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.52:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.82:1 | 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 #591e6b 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
#591e6b reads as cool, dark, luxury. 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 #591e6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/591e6b-bd9fc1-adcb62-2d1f2a-ece9f1?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