Color

#3c867e

#3c867e
hex#3c867e
rgbrgb(60, 134, 126)
hslhsl(174, 38%, 38%)
oklchoklch(0.571 0.075 185.9)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.1952

Colors that go with #3c867e

Charcoal, Copper and Cobalt Blue 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 →

#863c43

#3c865a · #3c6886

#7e3c86 · #867e3c

Split-complementary

Open in tool →

#863c68 · #865a3c

#5a3c86 · #863c43 · #68863c

Contrast

#3c867e as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #3a827b as the text (4.51:1)
  • AAA: use #2b5f5a as the text (7.27:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.9:1passpassfail
  • AAA: use #4aa59c as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c867e 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 #3c867e
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 #3c867e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c867e-a2bebe-d459a1-1f292d-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