Color
#421f37
#421f37rgb(66, 31, 55)hsl(319, 36%, 19%)oklch(0.297 0.065 340.4)Colors that go with #421f37
Charcoal, Dark Olive Green and Sienna 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 #421f37: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Dark Olive Green #556b2f
split-complementshippedDark Olive Green is a split-complement of #421f37: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
analogousshippedSienna is #421f37's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Slate Blue #6a5acd
analogousshippedSlate Blue is #421f37's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
complementaryshippedTeal sits directly opposite #421f37 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 #421f37 in 7 real palettes, including Beach Hut and Wikipedia's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #421f37 in 11 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 #421f37 in 5 real palettes, including Blush and Graphite Mono, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #421f37
Tints & shades
Harmonies
Contrast
| #421f37 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.16:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.48:1 | 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 #421f37 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
#421f37 reads as warm, 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 #421f37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/421f37-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