Color

#2c5bdd

#2c5bdd
hex#2c5bdd
rgbrgb(44, 91, 221)
hslhsl(224, 72%, 52%)
oklchoklch(0.521 0.205 264.8)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1324

Colors that go with #2c5bdd

Charcoal, Sea Green 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 →

#ddae2c

#2cb4dd · #562cdd

#dd2c5b · #5bdd2c

Split-complementary

Open in tool →

#dd562c · #b4dd2c

#dd2cb4 · #ddae2c · #2cdd56

Contrast

#2c5bdd as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #204cc5 as the text (7.24:1)
Aaon black
3.65:1failpassfail
  • AA: use #4770e1 as the text (4.67:1)
  • AAA: use #7392e8 as the text (7.01:1)
  • AA: or shift the background to #e6e6e6 (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 #2c5bdd as the background.

Brands using this color

Fonts for this mood

#2c5bdd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c5bdd
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 #2c5bdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c5bdd-9ca2c4-df724e-221f2d-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