Color

#2b645f

#2b645f
hex#2b645f
rgbrgb(43, 100, 95)
hslhsl(175, 40%, 28%)
oklchoklch(0.464 0.06 187.6)
Closest name: Aqua Obscura (#05696b)Relative luminance 0.1045

Colors that go with #2b645f

Crimson, Cadet Blue and Champagne 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.

Real palettes that use #2b645f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#642b30

#2b6443 · #2b4c64

#5f2b64 · #645f2b

Split-complementary

Open in tool →

#642b4c · #64432b

#432b64 · #642b30 · #4c642b

Contrast

#2b645f as textRatioAAAA largeAAAFix
Aaon white
6.79:1passpassfail
  • AAA: use #29605c as the text (7.19:1)
Aaon black
3.09:1failpassfail
  • AA: use #37817a as the text (4.58:1)
  • AAA: use #46a49c as the text (7.05:1)
  • AA: or shift the background to #d4d4d4 (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 #2b645f 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

#2b645f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b645f
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 #2b645f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b645f-a2bdbe-d4599f-1f282d-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