Color
#840b0d
#840b0drgb(132, 11, 13)hsl(359, 85%, 28%)oklch(0.391 0.152 27.6)Colors that go with #840b0d
Teal, Crimson and Taupe 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 #840b0d 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 #840b0d in 4 real palettes, including State Farm's brand system and M&M's's brand system, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #840b0d in 9 real palettes, including Bookshop and Cider, as that palette's text colour.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #840b0d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Champagne #f7e7ce
shipped3 real palettes, including Bramble and Darkroom put Champagne beside #840b0d, as the text colour against it.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #840b0d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna #a0522d
analogousshippedSienna is #840b0d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Cream #fffdd0
neutralCream is the surface #840b0d wants: a warm off-white that shares its undertone, so #840b0d reads softer on it than on pure white.
Real palettes that use #840b0d
Tints & shades
Harmonies
Contrast
| #840b0d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.32:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.03:1 | 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 #840b0d 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
#840b0d 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 #840b0d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/840b0d-c4a09c-62cb96-2d251f-f1e9ed?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