Bookshop
Open in tool →Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking.
Color
#2d210c
#2d210c
hex
#2d210crgb
rgb(45, 33, 12)hsl
hsl(38, 58%, 11%)oklch
oklch(0.257 0.038 79.7)Closest name: Close but No Cigar (#361d0a)Relative luminance 0.0167
Colors that go with #2d210c
Charcoal, Royal Blue 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 #2d210c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
complementaryshippedRoyal Blue sits directly opposite #2d210c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sienna #a0522d
analogousshippedSienna is #2d210c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Slate Blue #6a5acd
split-complementshippedSlate Blue is a split-complement of #2d210c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #2d210c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
triadicshippedTeal completes a triad with #2d210c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #2d210c in 15 real palettes, including Maple and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped23 real palettes, including Headspace's brand system and Bumble's brand system put Blue beside #2d210c, as the accent.
Real palettes that use #2d210c
Tints & shades
Harmonies
Contrast
| #2d210c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.74:1 | 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 #2d210c as the background.
Brands using this color
Palettes built around it
Farmers Market
Open in tool →Tomato, leaf and honey — the three colors of a produce stand, warm enough to make anything look fresh.
Cider
Open in tool →Rust, honey and a moss green on cream — the orchard palette; the green keeps it from being all one temperature.
Citrus Grove
Open in tool →Orange, lime leaf and lemon — a citrus palette that reads fresh, for drinks, produce and anything seasonal.
Fonts for this mood
#2d210c reads as warm, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2d210c
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #2d210c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2d210c-c4ba9c-62bbcb-2c2d1f-f1ebe9?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