Color

#318784

#318784
hex#318784
rgbrgb(49, 135, 132)
hslhsl(178, 47%, 36%)
oklchoklch(0.572 0.081 191.9)
Closest name: darkcyan (#008b8b)Relative luminance 0.1965

Colors that go with #318784

Charcoal, Copper and Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#873134

#318759 · #315f87

#843187 · #878431

Split-complementary

Open in tool →

#87315f · #875931

#593187 · #873134 · #5f8731

Contrast

#318784 as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #2e7f7d as the text (4.72:1)
  • AAA: use #23615f as the text (7.13:1)
  • AA: or shift the background to #0d0d0d (4.56:1)
Aaon black
4.93:1passpassfail
  • AAA: use #3ba5a1 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #318784 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #318784
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 #318784 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/318784-a2bcbe-d45999-1f282d-e9f1ed?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