Color

#2c3ca5

#2c3ca5
hex#2c3ca5
rgbrgb(44, 60, 165)
hslhsl(232, 58%, 41%)
oklchoklch(0.414 0.169 270.4)
Closest name: Bluebell (#333399)Relative luminance 0.0648

Colors that go with #2c3ca5

Charcoal, Sea Green and Steel 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 →

#a5952c

#2c79a5 · #582ca5

#a52c3c · #3ca52c

Split-complementary

Open in tool →

#a5582c · #79a52c

#a52c79 · #a5952c · #2ca558

Contrast

#2c3ca5 as textRatioAAAA largeAAAFix
Aaon white
9.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #5e6ed4 as the text (4.66:1)
  • AAA: use #8692df as the text (7.19:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c3ca5 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

#2c3ca5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c3ca5
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 #2c3ca5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c3ca5-9c9dc4-df864e-231f2d-e9eef1?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