Color

#2f40fe

#2f40fe
hex#2f40fe
rgbrgb(47, 64, 254)
hslhsl(235, 99%, 59%)
oklchoklch(0.51 0.272 268.5)
Closest name: C64 Blue (#003aff)Relative luminance 0.1143

Colors that go with #2f40fe

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 →

#feed2f

#2fa8fe · #852ffe

#fe2f40 · #40fe2f

Split-complementary

Open in tool →

#fe852f · #a8fe2f

#fe2fa8 · #feed2f · #2ffe85

Contrast

#2f40fe as textRatioAAAA largeAAAFix
Aaon white
6.39:1passpassfail
  • AAA: use #2032fe as the text (7.12:1)
Aaon black
3.29:1failpassfail
  • AA: use #5865fe as the text (4.71:1)
  • AAA: use #808bfe as the text (7.04:1)
  • AA: or shift the background to #d9d9d9 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f40fe as the background.

Brands using this color

Fonts for this mood

#2f40fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f40fe
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 #2f40fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f40fe-9e9cc4-df8d4e-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