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
#183239
#183239
hex
#183239rgb
rgb(24, 50, 57)hsl
hsl(193, 41%, 16%)oklch
oklch(0.3 0.034 217.3)Closest name: Elite Teal (#133337)Relative luminance 0.0277
Colors that go with #183239
Sienna, Steel Blue and Teal 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.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #183239 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
analogousshippedSteel Blue is #183239's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
analogousshippedTeal is #183239's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shippedBlue is paired with #183239 in 5 real palettes, including Readymag's brand system and Instacart's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #183239 in 6 real palettes, including Rain Garden and Blush, as the accent — a combination designers have actually shipped, not a computed rotation.
Burlywood #deb887
shippedBurlywood is paired with #183239 in 5 real palettes, including Coastal and Chalkboard, as the accent — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #183239: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #183239
Tints & shades
Harmonies
Contrast
| #183239 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.51:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.55:1 | 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 #183239 as the background.
Brands using this color
Palettes built around it
Rain Garden
Open in tool →Wet-leaf teal and moss with a soft peach — an overcast spring, calmer than the bright version and better for long reading.
Still Water
Open in tool →Dusty teal and mist with a sand accent — low chroma, low contrast between colours, high contrast for text: the recipe for calm.
Fonts for this mood
#183239 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #183239
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #183239 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/183239-a2b5be-df4e75-1f242d-e9f1ef?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