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
#30a4cf
#30a4cf
hex
#30a4cfrgb
rgb(48, 164, 207)hsl
hsl(196, 62%, 50%)oklch
oklch(0.674 0.117 227.9)Closest name: Blue Burst (#309cd0)Relative luminance 0.3168
Colors that go with #30a4cf
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 #30a4cf: softer than #000 and cool enough to feel like part of the same palette.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #30a4cf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #30a4cf in 8 real palettes, including Salesforce's brand system and Blueprint, as the accent.
Blue #0000ff
shipped5 real palettes, including Canva's brand system and Warp's brand system put Blue beside #30a4cf, as the accent.
Dark Orange #ff8c00
shippedDark Orange shows up next to #30a4cf in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #30a4cf: 8 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the lead colour.
Midnight Blue #191970
shipped9 real palettes, including SoFi's brand system and Confluent's brand system put Midnight Blue beside #30a4cf, as the accent.
Orange #ffa500
shipped4 real palettes, including Gopro's brand system and Mistral AI's brand system put Orange beside #30a4cf, as the accent.
Real palettes that use #30a4cf
Tints & shades
Harmonies
Contrast
| #30a4cf 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 #30a4cf as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#30a4cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #30a4cf
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 #30a4cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/30a4cf-9cb5c4-df4e6e-1f232d-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