Color

#37bdd7

#37bdd7
hex#37bdd7
rgbrgb(55, 189, 215)
hslhsl(190, 67%, 53%)
oklchoklch(0.739 0.117 213.9)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4211

Colors that go with #37bdd7

Charcoal, Dark Orange and Denim 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 →

#d75237

#37d7a2 · #376cd7

#d737bd · #bdd737

Split-complementary

Open in tool →

#d7376c · #d7a237

#a237d7 · #d75237 · #6cd737

Contrast

#37bdd7 as textRatioAAAA largeAAAFix
Aaon white
2.23:1failfailfail
  • AA: use #1d8195 as the text (4.54:1)
  • AAA: use #16606f as the text (7.15:1)
  • AA: or shift the background to #424242 (4.51:1)
  • AAA: or shift the background to #212121 (7.23:1)
Aaon black
9.42:1passpasspassPasses 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 #37bdd7 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

#37bdd7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37bdd7
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 #37bdd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37bdd7-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