Color

#377d86

#377d86
hex#377d86
rgbrgb(55, 125, 134)
hslhsl(187, 42%, 37%)
oklchoklch(0.549 0.071 206.7)
Closest name: Bermuda (#1b7d8d)Relative luminance 0.172

Colors that go with #377d86

Charcoal, Rust 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#864037

#378668 · #375586

#86377d · #7d8637

Split-complementary

Open in tool →

#863755 · #866837

#683786 · #864037 · #558637

Contrast

#377d86 as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #295e65 as the text (7.28:1)
Aaon black
4.44:1failpassfail
  • AA: use #38808a as the text (4.62:1)
  • AAA: use #47a2ae as the text (7.05:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377d86 as the background.

Brands using this color

Fonts for this mood

#377d86 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #377d86
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 #377d86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377d86-a2b8be-df4e83-1f262d-e9f1ee?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