Color

#2f3cca

#2f3cca
hex#2f3cca
rgbrgb(47, 60, 202)
hslhsl(235, 62%, 49%)
oklchoklch(0.451 0.215 270.3)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.081

Colors that go with #2f3cca

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 →

#cabe2f

#2f8aca · #702fca

#ca2f3c · #3cca2f

Split-complementary

Open in tool →

#ca702f · #8aca2f

#ca2f8a · #cabe2f · #2fca70

Contrast

#2f3cca as textRatioAAAA largeAAAFix
Aaon white
8.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #626cda as the text (4.68:1)
  • AAA: use #878fe3 as the text (7.07:1)
  • AA: or shift the background to #c4c4c4 (4.6:1)
  • AAA: or shift the background to #f0f0f0 (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 #2f3cca 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

#2f3cca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3cca
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 #2f3cca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3cca-9e9cc4-df8d4e-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