Color

#2734aa

#2734aa
hex#2734aa
rgbrgb(39, 52, 170)
hslhsl(234, 63%, 41%)
oklchoklch(0.402 0.186 270.2)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0579

Colors that go with #2734aa

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 →

#aa9d27

#2776aa · #5b27aa

#aa2734 · #34aa27

Split-complementary

Open in tool →

#aa5b27 · #76aa27

#aa2776 · #aa9d27 · #27aa5b

Contrast

#2734aa as textRatioAAAA largeAAAFix
Aaon white
9.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #616ddb as the text (4.72:1)
  • AAA: use #8690e4 as the text (7.12:1)
  • AA: or shift the background to #b3b3b3 (4.64:1)
  • AAA: or shift the background to #dbdbdb (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2734aa 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

#2734aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2734aa
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 #2734aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2734aa-9d9cc4-df8a4e-241f2d-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