Color

#308688

#308688
hex#308688
rgbrgb(48, 134, 136)
hslhsl(181, 48%, 36%)
oklchoklch(0.57 0.081 197.3)
Closest name: darkcyan (#008b8b)Relative luminance 0.1946

Colors that go with #308688

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 →

#883130

#30885d · #305a88

#883086 · #868830

Split-complementary

Open in tool →

#88305a · #885d30

#5d3088 · #883130 · #5a8830

Contrast

#308688 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #2d7f80 as the text (4.71:1)
  • AAA: use #226162 as the text (7.11:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #3aa4a6 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #308688 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

#308688 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #308688
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 #308688 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/308688-a2babe-d45992-1f272d-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