Color

#2d5bbe

#2d5bbe
hex#2d5bbe
rgbrgb(45, 91, 190)
hslhsl(221, 62%, 46%)
oklchoklch(0.497 0.164 263)
Closest name: Denim (#1560bd)Relative luminance 0.1176

Colors that go with #2d5bbe

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 →

#be902d

#2da3be · #472dbe

#be2d5b · #5bbe2d

Split-complementary

Open in tool →

#be472d · #a3be2d

#be2da3 · #be902d · #2dbe47

Contrast

#2d5bbe as textRatioAAAA largeAAAFix
Aaon white
6.27:1passpassfail
  • AAA: use #2953ae as the text (7.14:1)
Aaon black
3.35:1failpassfail
  • AA: use #4572d3 as the text (4.6:1)
  • AAA: use #7395de as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (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 #2d5bbe as the background.

Brands using this color

Fonts for this mood

#2d5bbe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d5bbe
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 #2d5bbe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d5bbe-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