Color
#400d37
#400d37rgb(64, 13, 55)hsl(311, 66%, 15%)oklch(0.267 0.095 335.9)Colors that go with #400d37
Charcoal, Crimson 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #400d37: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
analogousshippedCrimson is #400d37'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 #400d37 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
split-complementshippedTeal is a split-complement of #400d37: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #400d37 in 7 real palettes, including Wikipedia's brand system and Beach Hut, as the accent.
Blue #0000ff
shipped13 real palettes, including Sketch's brand system and Burger King's brand system put Blue beside #400d37, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #400d37 in 5 real palettes, including Kiln and Coastal, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #400d37: 8 real palettes, including Dusk and Open House, as the supporting colour.
Real palettes that use #400d37
Tints & shades
Harmonies
Contrast
| #400d37 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.78:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.33:1 | 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 #400d37 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
#400d37 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 #400d37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/400d37-c19fb7-82cb62-2d1f25-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