Color

#2945ff

#2945ff
hex#2945ff
rgbrgb(41, 69, 255)
hslhsl(232, 100%, 58%)
oklchoklch(0.516 0.27 267.2)
Closest name: C64 Blue (#003aff)Relative luminance 0.1195

Colors that go with #2945ff

Charcoal, Crimson and Amber 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 →

#ffe229

#29b0ff · #7729ff

#ff2945 · #45ff29

Split-complementary

Open in tool →

#ff7729 · #b0ff29

#ff29b0 · #ffe229 · #29ff77

Contrast

#2945ff as textRatioAAAA largeAAAFix
Aaon white
6.2:1passpassfail
  • AAA: use #1434ff as the text (7.08:1)
Aaon black
3.39:1failpassfail
  • AA: use #4d64ff as the text (4.58:1)
  • AAA: use #7a8cff as the text (7.02:1)
  • 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 #2945ff as the background.

Brands using this color

Fonts for this mood

#2945ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2945ff
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 #2945ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2945ff-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