Color
#643f58
#643f58rgb(100, 63, 88)hsl(319, 23%, 32%)oklch(0.42 0.063 339.7)Colors that go with #643f58
Teal, Copper and Denim 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.
Teal #008080
complementaryshippedTeal sits directly opposite #643f58 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Copper #b87333
shippedCopper is paired with #643f58 in 5 real palettes, including Bramble and Dusk, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #643f58 in 4 real palettes, including Hinge's brand system and HP's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #643f58 in 4 real palettes, including Nursery and Stone, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #643f58 in 5 real palettes, including Console Light and GitHub's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Sage Green #9caf88
shippedSage Green is paired with #643f58 in 4 real palettes, including Stone and Darkroom, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
split-complementshippedDark Olive Green is a split-complement of #643f58: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cream #fffdd0
neutralCream is the surface #643f58 wants: a warm off-white that shares its undertone, so #643f58 reads softer on it than on pure white.
Real palettes that use #643f58
Tints & shades
Harmonies
Contrast
| #643f58 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.77:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.39:1 | 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 #643f58 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
#643f58 reads as warm, muted, editorial. 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 #643f58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/643f58-c19fb2-74cb62-2d1f23-f0e9f1?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