Color

#379fb3

#379fb3
hex#379fb3
rgbrgb(55, 159, 179)
hslhsl(190, 53%, 46%)
oklchoklch(0.652 0.097 213)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2886

Colors that go with #379fb3

Charcoal, Orange Red 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.

Real palettes that use #379fb3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b34c37

#37b38a · #3761b3

#b3379f · #9fb337

Split-complementary

Open in tool →

#b33761 · #b38a37

#8a37b3 · #b34c37 · #61b337

Contrast

#379fb3 as textRatioAAAA largeAAAFix
Aaon white
3.1:1failpassfail
  • AA: use #2c8090 as the text (4.57:1)
  • AAA: use #22616d as the text (7:1)
  • AA: or shift the background to #2b2b2b (4.57:1)
Aaon black
6.77:1passpassfail
  • AAA: use #38a2b7 as the text (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 #379fb3 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

#379fb3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #379fb3
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 #379fb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/379fb3-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