Color

#2f348e

#2f348e
hex#2f348e
rgbrgb(47, 52, 142)
hslhsl(237, 50%, 37%)
oklchoklch(0.38 0.146 274.6)
Closest name: Bluebell (#333399)Relative luminance 0.0501

Colors that go with #2f348e

Charcoal, Steel Blue and 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 →

#8e892f

#2f638e · #5a2f8e

#8e2f34 · #348e2f

Split-complementary

Open in tool →

#8e5a2f · #638e2f

#8e2f63 · #8e892f · #2f8e5a

Contrast

#2f348e as textRatioAAAA largeAAAFix
Aaon white
10.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #666bcc as the text (4.54:1)
  • AAA: use #8c90d9 as the text (7.11:1)
  • AA: or shift the background to #ababab (4.57:1)
  • AAA: or shift the background to #d4d4d4 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f348e 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

#2f348e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f348e
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 #2f348e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f348e-9f9cc4-df924e-251f2d-e9edf1?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