Tide Pool
Open in tool →Sea-green and slate with a coral — a literal tide pool: two cool tones, one warm creature.
Color
#262f4frgb(38, 47, 79)hsl(227, 35%, 23%)oklch(0.313 0.059 270.8)Dark Olive Green, Sea Green 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.
Dark Olive Green sits directly opposite #262f4f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green completes a triad with #262f4f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna is a split-complement of #262f4f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Slate Blue is #262f4f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Steel Blue is #262f4f'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 #262f4f in 5 real palettes, including Beach Hut and Wikipedia's brand system, as the supporting colour.
14 real palettes, including Sketch's brand system and Monzo's brand system put Blue beside #262f4f, as the accent.
White Smoke is the surface for #262f4f: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #262f4f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.11:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.6:1 | 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 #262f4f as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#262f4f reads as cool, 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 #262f4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/262f4f-9ca0c4-df7a4e-221f2d-e9eff1?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