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
#2aa5cb
#2aa5cb
hex
#2aa5cbrgb
rgb(42, 165, 203)hsl
hsl(194, 66%, 48%)oklch
oklch(0.674 0.116 224)Closest name: Blue Ocean (#009dc4)Relative luminance 0.3171
Colors that go with #2aa5cb
Charcoal, Terracotta and Midnight 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #2aa5cb: softer than #000 and cool enough to feel like part of the same palette.
Terracotta #e2725b
complementaryshippedTerracotta sits directly opposite #2aa5cb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shippedMidnight Blue is paired with #2aa5cb in 5 real palettes, including Blue Mono and Open House, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #2aa5cb in 4 real palettes, including Cursor's brand system and Launch Orange, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #2aa5cb in 11 real palettes, including Cursor's brand system and Retool's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Peru #cd853f
split-complementshippedPeru is a split-complement of #2aa5cb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #2aa5cb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #2aa5cb in 3 real palettes, including Blueprint and Beach Hut, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #2aa5cb
Tints & shades
Harmonies
Contrast
| #2aa5cb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.86:1 | fail | fail | fail | |
Aaon black | 7.34:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2aa5cb as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#2aa5cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2aa5cb
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 #2aa5cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2aa5cb-9cb6c4-df4e72-1f242d-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