Color

#2a577a

#2a577a
hex#2a577a
rgbrgb(42, 87, 122)
hslhsl(206, 49%, 32%)
oklchoklch(0.441 0.076 244.3)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0871

Colors that go with #2a577a

Royal Blue, Sienna and Blue 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 →

#7a4c2a

#2a7a74 · #2a2f7a

#7a2a57 · #577a2a

Split-complementary

Open in tool →

#7a2a2f · #7a742a

#742a7a · #7a4c2a · #2f7a2a

Contrast

#2a577a as textRatioAAAA largeAAAFix
Aaon white
7.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.74:1failfailfail
  • AA: use #3b7aab as the text (4.56:1)
  • AAA: use #5f9bc8 as the text (7.01:1)
  • AA: or shift the background to #c7c7c7 (4.53:1)
  • AAA: or shift the background to #f5f5f5 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a577a 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

#2a577a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a577a
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 #2a577a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a577a-9caec4-df4e56-1f212d-e9f1f1?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