Color

#2f3bc6

#2f3bc6
hex#2f3bc6
rgbrgb(47, 59, 198)
hslhsl(235, 62%, 48%)
oklchoklch(0.445 0.212 270.6)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0781

Colors that go with #2f3bc6

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 →

#c6ba2f

#2f87c6 · #6e2fc6

#c62f3b · #3bc62f

Split-complementary

Open in tool →

#c66e2f · #87c62f

#c62f87 · #c6ba2f · #2fc66e

Contrast

#2f3bc6 as textRatioAAAA largeAAAFix
Aaon white
8.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #626cda as the text (4.68:1)
  • AAA: use #878fe3 as the text (7.07:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #ededed (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f3bc6 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

#2f3bc6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f3bc6
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 #2f3bc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f3bc6-9e9cc4-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