Color

#2d5deb

#2d5deb
hex#2d5deb
rgbrgb(45, 93, 235)
hslhsl(225, 83%, 55%)
oklchoklch(0.537 0.22 265.1)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1438

Colors that go with #2d5deb

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 →

#ebbc2d

#2dbceb · #5d2deb

#eb2d5d · #5deb2d

Split-complementary

Open in tool →

#eb5d2d · #bceb2d

#eb2dbc · #ebbc2d · #2deb5d

Contrast

#2d5deb as textRatioAAAA largeAAAFix
Aaon white
5.42:1passpassfail
  • AAA: use #1446db as the text (7.17:1)
Aaon black
3.88:1failpassfail
  • AA: use #406bed as the text (4.54:1)
  • AAA: use #7393f2 as the text (7.18:1)
  • AA: or shift the background to #ebebeb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d5deb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2d5deb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d5deb
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 #2d5deb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d5deb-9ca1c4-df754e-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