Color

#2645cf

#2645cf
hex#2645cf
rgbrgb(38, 69, 207)
hslhsl(229, 69%, 48%)
oklchoklch(0.467 0.214 267)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0917

Colors that go with #2645cf

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 →

#cfb026

#2699cf · #5b26cf

#cf2645 · #45cf26

Split-complementary

Open in tool →

#cf5b26 · #99cf26

#cf2699 · #cfb026 · #26cf5b

Contrast

#2645cf as textRatioAAAA largeAAAFix
Aaon white
7.41:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #536cdf as the text (4.58:1)
  • AAA: use #7e91e7 as the text (7.09:1)
  • AA: or shift the background to #cccccc (4.61:1)
  • AAA: or shift the background to #fafafa (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 #2645cf as the background.

Brands using this color

Fonts for this mood

#2645cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2645cf
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 #2645cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2645cf-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