Color

#2b6778

#2b6778
hex#2b6778
rgbrgb(43, 103, 120)
hslhsl(193, 47%, 32%)
oklchoklch(0.482 0.067 219.4)
Closest name: Atlantis (#336172)Relative luminance 0.1157

Colors that go with #2b6778

Charcoal, Crimson and Rust 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 →

#783c2b

#2b7862 · #2b4178

#782b67 · #67782b

Split-complementary

Open in tool →

#782b41 · #78622b

#622b78 · #783c2b · #41782b

Contrast

#2b6778 as textRatioAAAA largeAAAFix
Aaon white
6.34:1passpassfail
  • AAA: use #275e6d as the text (7.22:1)
Aaon black
3.31:1failpassfail
  • AA: use #357e92 as the text (4.55:1)
  • AAA: use #44a1bb as the text (7.06:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b6778 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

#2b6778 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b6778
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 #2b6778 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b6778-a2b5be-df4e75-1f242d-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