Color

#2d4aeb

#2d4aeb
hex#2d4aeb
rgbrgb(45, 74, 235)
hslhsl(231, 83%, 55%)
oklchoklch(0.505 0.241 267.7)
Closest name: C64 Blue (#003aff)Relative luminance 0.1145

Colors that go with #2d4aeb

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 →

#ebcf2d

#2da9eb · #702deb

#eb2d4a · #4aeb2d

Split-complementary

Open in tool →

#eb702d · #a9eb2d

#eb2da9 · #ebcf2d · #2deb70

Contrast

#2d4aeb as textRatioAAAA largeAAAFix
Aaon white
6.38:1passpassfail
  • AAA: use #1f3dea as the text (7.21:1)
Aaon black
3.29:1failpassfail
  • AA: use #526aef as the text (4.67:1)
  • AAA: use #7c8ef3 as the text (7.02:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d4aeb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2d4aeb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d4aeb
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 #2d4aeb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d4aeb-9c9ec4-df834e-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