Color

#2b8397

#2b8397
hex#2b8397
rgbrgb(43, 131, 151)
hslhsl(191, 56%, 38%)
oklchoklch(0.567 0.086 216.1)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1898

Colors that go with #2b8397

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 →

#973f2b

#2b9775 · #2b4d97

#972b83 · #83972b

Split-complementary

Open in tool →

#972b4d · #97752b

#752b97 · #973f2b · #4d972b

Contrast

#2b8397 as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #2a8093 as the text (4.56:1)
  • AAA: use #1f616f as the text (7.01:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.8:1passpassfail
  • AAA: use #35a2bb 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 #2b8397 as the background.

Brands using this color

Fonts for this mood

#2b8397 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b8397
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 #2b8397 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b8397-a2b6be-df4e7a-1f252d-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