Color

#319ab4

#319ab4
hex#319ab4
rgbrgb(49, 154, 180)
hslhsl(192, 57%, 45%)
oklchoklch(0.638 0.1 218)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2706

Colors that go with #319ab4

Charcoal, Copper 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 #319ab4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b44c31

#31b48d · #3159b4

#b4319a · #9ab431

Split-complementary

Open in tool →

#b43159 · #b48d31

#8d31b4 · #b44c31 · #59b431

Contrast

#319ab4 as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #297f94 as the text (4.61:1)
  • AAA: use #1f6070 as the text (7.08:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • AAA: use #35a4c0 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #319ab4 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

#319ab4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #319ab4
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 #319ab4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/319ab4-a2b5be-df4e77-1f242d-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