Color

#2c537d

#2c537d
hex#2c537d
rgbrgb(44, 83, 125)
hslhsl(211, 48%, 33%)
oklchoklch(0.434 0.083 251.8)
Closest name: Assassin (#2d4f83)Relative luminance 0.082

Colors that go with #2c537d

Sea Green, Blue and Cadet 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 →

#7d552c

#2c7b7d · #2d2c7d

#7d2c53 · #537d2c

Split-complementary

Open in tool →

#7d2d2c · #7b7d2c

#7d2c7b · #7d552c · #2c7d2d

Contrast

#2c537d as textRatioAAAA largeAAAFix
Aaon white
7.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #4078b5 as the text (4.57:1)
  • AAA: use #6c9acb as the text (7.12:1)
  • AA: or shift the background to #c4c4c4 (4.56:1)
  • AAA: or shift the background to #f2f2f2 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c537d 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

#2c537d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c537d
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 #2c537d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c537d-9cabc4-df534e-1f202d-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