Color

#375a72

#375a72
hex#375a72
rgbrgb(55, 90, 114)
hslhsl(204, 35%, 33%)
oklchoklch(0.451 0.057 239.7)
Closest name: Atlantis (#336172)Relative luminance 0.0934

Colors that go with #375a72

Royal Blue, Sienna and 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.

Real palettes that use #375a72

Tints & shades

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

Harmonies

Complementary

Open in tool →

#724e37

#37726c · #373d72

#72375a · #5a7237

Split-complementary

Open in tool →

#72373d · #726c37

#6c3772 · #724e37 · #3d7237

Contrast

#375a72 as textRatioAAAA largeAAAFix
Aaon white
7.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #4b7b9b as the text (4.61:1)
  • AAA: use #6e9bb9 as the text (7.05:1)
  • AA: or shift the background to #cccccc (4.56:1)
  • AAA: or shift the background to #fafafa (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375a72 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

#375a72 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #375a72
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 #375a72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/375a72-9cafc4-df4e5a-1f222d-e9f1f0?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