Color

#2a5b74

#2a5b74
hex#2a5b74
rgbrgb(42, 91, 116)
hslhsl(200, 47%, 31%)
oklchoklch(0.448 0.067 233.2)
Closest name: Atlantis (#336172)Relative luminance 0.0924

Colors that go with #2a5b74

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 →

#74432a

#2a7468 · #2a3674

#742a5b · #5b742a

Split-complementary

Open in tool →

#742a36 · #74682a

#682a74 · #74432a · #36742a

Contrast

#2a5b74 as textRatioAAAA largeAAAFix
Aaon white
7.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #397c9d as the text (4.54:1)
  • AAA: use #569ec2 as the text (7.07:1)
  • AA: or shift the background to #cccccc (4.59:1)
  • AAA: or shift the background to #fafafa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a5b74 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

#2a5b74 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a5b74
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 #2a5b74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a5b74-9cb2c4-df4e64-1f232d-e9f1f0?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