Lido
Open in tool →Pool blue, watermelon and sun on white — the poolside summer set; the deep teal text keeps it from going juvenile.
Color
#053239rgb(5, 50, 57)hsl(188, 84%, 12%)oklch(0.292 0.047 210.6)Rust, Sienna and Steel 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.
Rust sits directly opposite #053239 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sienna is a split-complement of #053239: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue is #053239's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal is #053239'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 #053239 in 10 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
18 real palettes, including Instacart's brand system and Headspace's brand system put Blue beside #053239, as the accent.
6 real palettes, including Rain Garden and Graphite Mono put Blush Pink beside #053239, as the accent.
White Smoke is the surface for #053239: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #053239 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.8:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.52:1 | 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 #053239 as the background.
#053239 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 #053239 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/053239-a2b7be-df4e81-1f252d-e9f1ee?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