Color

#2c2f81

#2c2f81
hex#2c2f81
rgbrgb(44, 47, 129)
hslhsl(238, 49%, 34%)
oklchoklch(0.357 0.135 275.5)
Closest name: Deep Space Royal (#223382)Relative luminance 0.0415

Colors that go with #2c2f81

Charcoal, Steel Blue 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 →

#817e2c

#2c5a81 · #542c81

#812c2f · #2f812c

Split-complementary

Open in tool →

#81542c · #5a812c

#812c5a · #817e2c · #2c8154

Contrast

#2c2f81 as textRatioAAAA largeAAAFix
Aaon white
11.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #676acb as the text (4.5:1)
  • AAA: use #8d90d8 as the text (7.11:1)
  • AA: or shift the background to #a3a3a3 (4.55:1)
  • AAA: or shift the background to #cccccc (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c2f81 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

#2c2f81 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c2f81
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 #2c2f81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c2f81-9f9cc4-df944e-251f2d-e9edf1?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