Color

#2c5aaf

#2c5aaf
hex#2c5aaf
rgbrgb(44, 90, 175)
hslhsl(219, 60%, 43%)
oklchoklch(0.483 0.145 261.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1094

Colors that go with #2c5aaf

Charcoal, Sea Green and Sienna 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 →

#af812c

#2c9caf · #402caf

#af2c5a · #5aaf2c

Split-complementary

Open in tool →

#af402c · #9caf2c

#af2c9c · #af812c · #2caf40

Contrast

#2c5aaf as textRatioAAAA largeAAAFix
Aaon white
6.59:1passpassfail
  • AAA: use #2a56a7 as the text (7.03:1)
Aaon black
3.19:1failpassfail
  • AA: use #3f72cf as the text (4.52:1)
  • AAA: use #7096db as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c5aaf 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

#2c5aaf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c5aaf
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 #2c5aaf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c5aaf-9ca5c4-df664e-211f2d-e9f0f1?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