Color

#2c819b

#2c819b
hex#2c819b
rgbrgb(44, 129, 155)
hslhsl(194, 56%, 39%)
oklchoklch(0.564 0.088 222.2)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.186

Colors that go with #2c819b

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 →

#9b462c

#2c9b7d · #2c499b

#9b2c81 · #819b2c

Split-complementary

Open in tool →

#9b2c49 · #9b7d2c

#7d2c9b · #9b462c · #499b2c

Contrast

#2c819b as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #2b7e97 as the text (4.63:1)
  • AAA: use #216073 as the text (7.03:1)
  • AA: or shift the background to #080808 (4.5:1)
Aaon black
4.72:1passpassfail
  • AAA: use #37a2c3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c819b 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

#2c819b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c819b
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 #2c819b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c819b-9cb6c4-df4e72-1f242d-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