Color

#2e49b8

#2e49b8
hex#2e49b8
rgbrgb(46, 73, 184)
hslhsl(228, 60%, 45%)
oklchoklch(0.456 0.178 268)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0881

Colors that go with #2e49b8

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 →

#b89c2e

#2e8eb8 · #572eb8

#b82e49 · #49b82e

Split-complementary

Open in tool →

#b8572e · #8eb82e

#b82e8e · #b89c2e · #2eb857

Contrast

#2e49b8 as textRatioAAAA largeAAAFix
Aaon white
7.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.76:1failfailfail
  • AA: use #546dd4 as the text (4.52:1)
  • AAA: use #8193df as the text (7.17:1)
  • AA: or shift the background to #c9c9c9 (4.59:1)
  • AAA: or shift the background to #f7f7f7 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e49b8 as the background.

Brands using this color

Fonts for this mood

#2e49b8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e49b8
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 #2e49b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e49b8-9c9fc4-df7c4e-231f2d-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