Color

#37cdeb

#37cdeb
hex#37cdeb
rgbrgb(55, 205, 235)
hslhsl(190, 82%, 57%)
oklchoklch(0.785 0.127 214.7)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5047

Colors that go with #37cdeb

Charcoal, Dark Orange 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#eb5537

#37ebaf · #3773eb

#eb37cd · #cdeb37

Split-complementary

Open in tool →

#eb3773 · #ebaf37

#af37eb · #eb5537 · #73eb37

Contrast

#37cdeb as textRatioAAAA largeAAAFix
Aaon white
1.89:1failfailfail
  • AA: use #0f7e95 as the text (4.73:1)
  • AAA: use #0b5f6f as the text (7.29:1)
  • AA: or shift the background to #4a4a4a (4.68:1)
  • AAA: or shift the background to #2e2e2e (7.17:1)
Aaon black
11.09:1passpasspassPasses 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 #37cdeb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#37cdeb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37cdeb
live endpoint

Point 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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #37cdeb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37cdeb-a2b6be-df4e7c-1f252d-e9f1ef?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md