Color

#2c3df6

#2c3df6
hex#2c3df6
rgbrgb(44, 61, 246)
hslhsl(235, 92%, 57%)
oklchoklch(0.497 0.267 268.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.1053

Colors that go with #2c3df6

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 →

#f6e52c

#2ca2f6 · #812cf6

#f62c3d · #3df62c

Split-complementary

Open in tool →

#f6812c · #a2f62c

#f62ca2 · #f6e52c · #2cf681

Contrast

#2c3df6 as textRatioAAAA largeAAAFix
Aaon white
6.76:1passpassfail
  • AAA: use #2334f6 as the text (7.26:1)
Aaon black
3.11:1failpassfail
  • AA: use #5966f8 as the text (4.68:1)
  • AAA: use #858efa as the text (7.25:1)
  • AA: or shift the background to #d4d4d4 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c3df6 as the background.

Brands using this color

Fonts for this mood

#2c3df6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c3df6
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 #2c3df6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c3df6-9e9cc4-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