Color

#2d47be

#2d47be
hex#2d47be
rgbrgb(45, 71, 190)
hslhsl(229, 62%, 46%)
oklchoklch(0.457 0.188 268.2)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0878

Colors that go with #2d47be

Charcoal, Sea Green and Steel 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 →

#bea32d

#2d90be · #5b2dbe

#be2d47 · #47be2d

Split-complementary

Open in tool →

#be5b2d · #90be2d

#be2d90 · #bea32d · #2dbe5b

Contrast

#2d47be as textRatioAAAA largeAAAFix
Aaon white
7.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #566dd7 as the text (4.56:1)
  • AAA: use #7f91e1 as the text (7.04:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d47be as the background.

Brands using this color

Fonts for this mood

#2d47be reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d47be
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 #2d47be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d47be-9c9fc4-df7e4e-231f2d-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