Color

#2d839f

#2d839f
hex#2d839f
rgbrgb(45, 131, 159)
hslhsl(195, 56%, 40%)
oklchoklch(0.571 0.091 223.6)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1929

Colors that go with #2d839f

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 →

#9f492d

#2d9f83 · #2d499f

#9f2d83 · #839f2d

Split-complementary

Open in tool →

#9f2d49 · #9f832d

#832d9f · #9f492d · #499f2d

Contrast

#2d839f as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #2c7f9b as the text (4.55:1)
  • AAA: use #215f73 as the text (7.12:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail
  • AAA: use #38a3c7 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d839f 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

#2d839f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d839f
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 #2d839f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d839f-9cb5c4-df4e70-1f242d-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