Color

#2c64dd

#2c64dd
hex#2c64dd
rgbrgb(44, 100, 221)
hslhsl(221, 72%, 52%)
oklchoklch(0.539 0.195 262.9)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1487

Colors that go with #2c64dd

Charcoal, Amber and Blue 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 →

#dda52c

#2cbcdd · #4d2cdd

#dd2c64 · #64dd2c

Split-complementary

Open in tool →

#dd4d2c · #bcdd2c

#dd2cbc · #dda52c · #2cdd4d

Contrast

#2c64dd as textRatioAAAA largeAAAFix
Aaon white
5.28:1passpassfail
  • AAA: use #1f51bd as the text (7.07:1)
Aaon black
3.97:1failpassfail
  • AA: use #3e71e0 as the text (4.64:1)
  • AAA: use #6e95e7 as the text (7.12:1)
  • AA: or shift the background to #ededed (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 #2c64dd as the background.

Brands using this color

Fonts for this mood

#2c64dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c64dd
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 #2c64dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c64dd-9ca4c4-df6b4e-211f2d-e9eff1?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