Color

#2f4ee9

#2f4ee9
hex#2f4ee9
rgbrgb(47, 78, 233)
hslhsl(230, 81%, 55%)
oklchoklch(0.51 0.234 267.6)
Closest name: C64 Blue (#003aff)Relative luminance 0.1194

Colors that go with #2f4ee9

Charcoal, Crimson and Sea Green 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 →

#e9ca2f

#2fabe9 · #6d2fe9

#e92f4e · #4ee92f

Split-complementary

Open in tool →

#e96d2f · #abe92f

#e92fab · #e9ca2f · #2fe96d

Contrast

#2f4ee9 as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #1d3fe7 as the text (7.2:1)
Aaon black
3.39:1failpassfail
  • AA: use #506aed as the text (4.63:1)
  • AAA: use #7e91f1 as the text (7.21:1)
  • AA: or shift the background to #dedede (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f4ee9 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

#2f4ee9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f4ee9
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 #2f4ee9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f4ee9-9c9ec4-df814e-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