Color
#3f591d
#3f591drgb(63, 89, 29)hsl(86, 51%, 23%)oklch(0.429 0.092 129.5)Colors that go with #3f591d
Charcoal, Crimson and Royal Blue 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 #3f591d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
triadicshippedCrimson completes a triad with #3f591d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Royal Blue #4169e1
shippedRoyal Blue is paired with #3f591d in 4 real palettes, including Console Light and Subaru's brand system, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #3f591d: 7 real palettes, including Pine & Birch and Darkroom, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #3f591d in 17 real palettes, including Pine & Birch and Bookshop, as that palette's text colour.
Dark Orchid #9932cc
complementaryDark Orchid sits directly opposite #3f591d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Medium Violet Red #c71585
split-complementshippedMedium Violet Red is a split-complement of #3f591d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped3 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #3f591d, as the accent.
Real palettes that use #3f591d
Tints & shades
Harmonies
Contrast
| #3f591d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.9:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.66:1 | 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 #3f591d 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
#3f591d reads as dark, luxury, bold. 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 #3f591d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3f591d-afbea2-4e56df-212d1f-f1f1e9?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