Color

#319caa

#319caa
hex#319caa
rgbrgb(49, 156, 170)
hslhsl(187, 55%, 43%)
oklchoklch(0.639 0.096 207.7)
Closest name: Baltic (#279d9f)Relative luminance 0.2733

Colors that go with #319caa

Charcoal, Orange Red and Copper 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 #319caa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3f31

#31aa7c · #3160aa

#aa319c · #9caa31

Split-complementary

Open in tool →

#aa3160 · #aa7c31

#7c31aa · #aa3f31 · #60aa31

Contrast

#319caa as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #287f8a as the text (4.67:1)
  • AAA: use #1e5e67 as the text (7.36:1)
  • AA: or shift the background to #262626 (4.66:1)
Aaon black
6.47:1passpassfail
  • AAA: use #34a3b2 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #319caa 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

#319caa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #319caa
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 #319caa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/319caa-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