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
#10a5bc
#10a5bc
hex
#10a5bcrgb
rgb(16, 165, 188)hsl
hsl(188, 84%, 40%)oklch
oklch(0.664 0.114 212.4)Closest name: Blue Ocean (#009dc4)Relative luminance 0.3065
Colors that go with #10a5bc
Charcoal, Orange Red and Amber 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 #10a5bc: softer than #000 and cool enough to feel like part of the same palette.
Orange Red #ff4500
complementaryshippedOrange Red sits directly opposite #10a5bc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #10a5bc in 5 real palettes, including Beach Hut and Salesforce's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #10a5bc in 4 real palettes, including Diner and Riot Games's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #10a5bc: 7 real palettes, including Gopro's brand system and Peacock, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #10a5bc: 4 real palettes, including Figma's brand system and Venmo's brand system, as the accent.
Midnight Blue #191970
shipped10 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #10a5bc, as the lead colour.
Orange #ffa500
shipped4 real palettes, including Gopro's brand system and Mistral AI's brand system put Orange beside #10a5bc, as the accent.
Real palettes that use #10a5bc
Tints & shades
Harmonies
Contrast
| #10a5bc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.95:1 | fail | fail | fail | |
Aaon black | 7.13:1 | 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 #10a5bc as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#10a5bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #10a5bc
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 #10a5bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/10a5bc-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