Color

#319dc4

#319dc4
hex#319dc4
rgbrgb(49, 157, 196)
hslhsl(196, 60%, 48%)
oklchoklch(0.653 0.111 226.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2875

Colors that go with #319dc4

Charcoal, Tomato 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 #319dc4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c45831

#31c4a2 · #3153c4

#c4319d · #9dc431

Split-complementary

Open in tool →

#c43153 · #c4a231

#a231c4 · #c45831 · #53c431

Contrast

#319dc4 as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #287f9f as the text (4.54:1)
  • AAA: use #1e5f76 as the text (7.11:1)
  • AA: or shift the background to #2b2b2b (4.55:1)
Aaon black
6.75:1passpassfail
  • AAA: use #33a3cc as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #319dc4 as the background.

Brands using this color

Fonts for this mood

#319dc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #319dc4
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 #319dc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/319dc4-9cb5c4-df4e6e-1f232d-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