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
#0ea5c4
#0ea5c4
hex
#0ea5c4rgb
rgb(14, 165, 196)hsl
hsl(190, 87%, 41%)oklch
oklch(0.667 0.118 217.9)Closest name: Blue Ocean (#009dc4)Relative luminance 0.3099
Colors that go with #0ea5c4
Charcoal, Tomato 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 #0ea5c4: softer than #000 and cool enough to feel like part of the same palette.
Tomato #ff6347
complementaryshippedTomato sits directly opposite #0ea5c4 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 #0ea5c4 in 6 real palettes, including Salesforce's brand system and Beach Hut, as the accent.
Blue #0000ff
shipped4 real palettes, including Canva's brand system and Warp's brand system put Blue beside #0ea5c4, as the accent.
Crimson #dc143c
shippedCrimson is paired with #0ea5c4 in 4 real palettes, including Diner and Riot Games's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #0ea5c4: 7 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the lead colour.
Dodger Blue #1e90ff
analogousshippedDodger Blue is #0ea5c4's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #0ea5c4 in 4 real palettes, including Terminal and Olympics's brand system, as the lead colour.
Real palettes that use #0ea5c4
Tints & shades
Harmonies
Contrast
| #0ea5c4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.92:1 | fail | fail | fail | |
Aaon black | 7.2:1 | 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 #0ea5c4 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#0ea5c4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #0ea5c4
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 #0ea5c4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/0ea5c4-a2b6be-df4e7c-1f252d-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