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
#37a3be
#37a3be
hex
#37a3bergb
rgb(55, 163, 190)hsl
hsl(192, 55%, 48%)oklch
oklch(0.666 0.103 218)Closest name: Blue Ocean (#009dc4)Relative luminance 0.3072
Colors that go with #37a3be
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 #37a3be: softer than #000 and cool enough to feel like part of the same palette.
Tomato #ff6347
complementaryshippedTomato sits directly opposite #37a3be 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 #37a3be in 5 real palettes, including Beach Hut and Salesforce's brand system, as the supporting colour.
Blue #0000ff
shipped4 real palettes, including Canva's brand system and Warp's brand system put Blue beside #37a3be, as the accent.
Crimson #dc143c
shippedCrimson is paired with #37a3be in 4 real palettes, including Diner and Riot Games's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #37a3be: 7 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #37a3be: 4 real palettes, including Venmo's brand system and Figma's brand system, as the lead colour.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #37a3be in 4 real palettes, including Terminal and Olympics's brand system, as the lead colour.
Real palettes that use #37a3be
Tints & shades
Harmonies
Contrast
| #37a3be as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.94:1 | fail | fail | fail | |
Aaon black | 7.14:1 | 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 #37a3be 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
#37a3be reads as cool, modern. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #37a3be
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 #37a3be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/37a3be-a2b5be-df4e77-1f242d-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