Color

#37ccf6

#37ccf6
hex#37ccf6
rgbrgb(55, 204, 246)
hslhsl(193, 91%, 59%)
oklchoklch(0.787 0.133 221.8)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5065

Colors that go with #37ccf6

Charcoal, Crimson and Dodger 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 →

#f66137

#37f6c0 · #376df6

#f637cc · #ccf637

Split-complementary

Open in tool →

#f6376d · #f6c037

#c037f6 · #f66137 · #6df637

Contrast

#37ccf6 as textRatioAAAA largeAAAFix
Aaon white
1.89:1failfailfail
  • AA: use #0880a1 as the text (4.55:1)
  • AAA: use #06617a as the text (7:1)
  • AA: or shift the background to #4a4a4a (4.7:1)
  • AAA: or shift the background to #2e2e2e (7.2:1)
Aaon black
11.13:1passpasspassPasses 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 #37ccf6 as the background.

Brands using this color

Fonts for this mood

#37ccf6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37ccf6
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 #37ccf6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37ccf6-a2b5be-df4e75-1f242d-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