Color

#2c3bc3

#2c3bc3
hex#2c3bc3
rgbrgb(44, 59, 195)
hslhsl(234, 63%, 47%)
oklchoklch(0.441 0.209 269.8)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.076

Colors that go with #2c3bc3

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 →

#c3b42c

#2c87c3 · #692cc3

#c32c3b · #3bc32c

Split-complementary

Open in tool →

#c3692c · #87c32c

#c32c87 · #c3b42c · #2cc369

Contrast

#2c3bc3 as textRatioAAAA largeAAAFix
Aaon white
8.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #616ddb as the text (4.72:1)
  • AAA: use #8690e4 as the text (7.12:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c3bc3 as the background.

Brands using this color

Fonts for this mood

#2c3bc3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c3bc3
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 #2c3bc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c3bc3-9d9cc4-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