Color

#2e43ff

#2e43ff
hex#2e43ff
rgbrgb(46, 67, 255)
hslhsl(234, 100%, 59%)
oklchoklch(0.515 0.271 268.1)
Closest name: C64 Blue (#003aff)Relative luminance 0.1182

Colors that go with #2e43ff

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 →

#ffea2e

#2eabff · #822eff

#ff2e43 · #43ff2e

Split-complementary

Open in tool →

#ff822e · #abff2e

#ff2eab · #ffea2e · #2eff82

Contrast

#2e43ff as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
  • AAA: use #1a30ff as the text (7.21:1)
Aaon black
3.36:1failpassfail
  • AA: use #5263ff as the text (4.59:1)
  • AAA: use #808cff as the text (7.11:1)
  • AA: or shift the background to #dbdbdb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e43ff as the background.

Brands using this color

Fonts for this mood

#2e43ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e43ff
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 #2e43ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e43ff-9d9cc4-df8a4e-241f2d-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