Color
#2a0307
#2a0307rgb(42, 3, 7)hsl(354, 87%, 9%)oklch(0.187 0.066 19)Colors that go with #2a0307
Charcoal, Royal Blue and Sea Green 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 #2a0307: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #2a0307 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #2a0307: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
analogousshippedSienna is #2a0307's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #2a0307: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
complementaryshippedTeal sits directly opposite #2a0307 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 #2a0307 in 17 real palettes, including Heatwave and Ember, as the supporting colour.
Blue #0000ff
shipped22 real palettes, including Robinhood's brand system and native Cybersecurity's brand system put Blue beside #2a0307, as the supporting colour.
Real palettes that use #2a0307
Tints & shades
Harmonies
Contrast
| #2a0307 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 18.84:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.11:1 | 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 #2a0307 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
#2a0307 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 #2a0307 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/2a0307-c49d9c-62cb8e-2d241f-f1e9ee?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