Color
#0d210e
#0d210ergb(13, 33, 14)hsl(123, 43%, 9%)oklch(0.225 0.044 144.9)Colors that go with #0d210e
Charcoal, Dark Olive Green 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 #0d210e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Dark Olive Green #556b2f
analogousshippedDark Olive Green is #0d210e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #0d210e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Rust #b7410e
triadicshippedRust completes a triad with #0d210e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Blue #6a5acd
split-complementshippedSlate Blue is a split-complement of #0d210e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
analogousshippedTeal is #0d210e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Dark Orchid #9932cc
complementaryshippedDark Orchid sits directly opposite #0d210e 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 #0d210e in 18 real palettes, including Trailhead and Warner Bros.'s brand system, as the accent.
Real palettes that use #0d210e
Tints & shades
Harmonies
Contrast
| #0d210e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.92:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.24:1 | 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 #0d210e 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
#0d210e 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 #0d210e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/0d210e-a2bea6-a04edf-1f2d26-edf1e9?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