Color

#319eaa

#319eaa
hex#319eaa
rgbrgb(49, 158, 170)
hslhsl(186, 55%, 43%)
oklchoklch(0.644 0.097 205.8)
Closest name: Baltic (#279d9f)Relative luminance 0.2801

Colors that go with #319eaa

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 #319eaa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3d31

#31aa7a · #3162aa

#aa319e · #9eaa31

Split-complementary

Open in tool →

#aa3162 · #aa7a31

#7a31aa · #aa3d31 · #62aa31

Contrast

#319eaa as textRatioAAAA largeAAAFix
Aaon white
3.18:1failpassfail
  • AA: use #28818a as the text (4.57:1)
  • AAA: use #1e5f67 as the text (7.27:1)
  • AA: or shift the background to #292929 (4.57:1)
Aaon black
6.6:1passpassfail
  • AAA: use #34a5b2 as the text (7.17:1)

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

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

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

tool url/palettes/new/319eaa-a2b8be-df4e86-1f262d-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