Color

#378d95

#378d95
hex#378d95
rgbrgb(55, 141, 149)
hslhsl(185, 46%, 40%)
oklchoklch(0.595 0.082 203.8)
Closest name: darkcyan (#008b8b)Relative luminance 0.2203

Colors that go with #378d95

Charcoal, Copper and Crimson 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 →

#953f37

#37956e · #375e95

#95378d · #8d9537

Split-complementary

Open in tool →

#95375e · #956e37

#6e3795 · #953f37 · #5e9537

Contrast

#378d95 as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #327f86 as the text (4.65:1)
  • AAA: use #255f65 as the text (7.23:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #41a6af as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #378d95 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

#378d95 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #378d95
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 #378d95 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/378d95-a2b8be-df4e88-1f262d-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