Color

#3d8a94

#3d8a94
hex#3d8a94
rgbrgb(61, 138, 148)
hslhsl(187, 42%, 41%)
oklchoklch(0.589 0.077 206.8)
Closest name: darkcyan (#008b8b)Relative luminance 0.2131

Colors that go with #3d8a94

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#94473d

#3d9473 · #3d5e94

#943d8a · #8a943d

Split-complementary

Open in tool →

#943d5e · #94733d

#733d94 · #94473d · #5e943d

Contrast

#3d8a94 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #38808a as the text (4.54:1)
  • AAA: use #295e65 as the text (7.28:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.26:1passpassfail
  • AAA: use #47a2ae as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d8a94 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#3d8a94 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d8a94
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 #3d8a94 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d8a94-a2b8be-df4e83-1f262d-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