Blueprint
Open in tool →Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.
Color
#0c1932rgb(12, 25, 50)hsl(219, 61%, 12%)oklch(0.217 0.053 262.2)Charcoal, Dark Olive Green 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 is the text near-black for #0c1932: softer than #000 and cool enough to feel like part of the same palette.
Dark Olive Green is a split-complement of #0c1932: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green completes a triad with #0c1932 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna sits directly opposite #0c1932 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Slate Blue is #0c1932's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Steel Blue is #0c1932's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber is paired with #0c1932 in 15 real palettes, including Blueprint and Warner Bros.'s brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue is paired with #0c1932 in 21 real palettes, including League of Legends's brand system and Monzo's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
| #0c1932 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 17.49:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.2:1 | 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 #0c1932 as the background.
Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.
Slate on slate with a single blue — the productivity-app look where the interface disappears behind the work.
Teal reads clinical without the coldness of pure blue; the coral accent adds warmth for reassurance moments.
Navy type on white with an ice-blue accent: crisp and corporate without going grey.
Teal, cobalt and magenta at full chroma on white — jewel tones in daylight; the trick is a near-black text with a blue cast.
#0c1932 reads as cool, 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 #0c1932 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/0c1932-9ca5c4-df664e-211f2d-e9f0f1?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