Color
#212107
#212107rgb(33, 33, 7)hsl(60, 65%, 8%)oklch(0.241 0.042 109.2)Colors that go with #212107
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 #212107: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #212107: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
analogousshippedSienna is #212107's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Slate Blue #6a5acd
complementaryshippedSlate Blue sits directly opposite #212107 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Steel Blue #4682b4
triadicshippedSteel Blue completes a triad with #212107 — 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 #212107 in 18 real palettes, including Maple and Trailhead, as the accent.
Blue #0000ff
shipped23 real palettes, including Headspace's brand system and Bumble's brand system put Blue beside #212107, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #212107 in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Real palettes that use #212107
Tints & shades
Harmonies
Contrast
| #212107 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.34:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.29:1 | 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 #212107 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
#212107 reads as vivid, dark, luxury. 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 #212107 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/212107-bbbea2-4e94df-272d1f-f1ede9?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