Color

#342b78

#342b78
hex#342b78
rgbrgb(52, 43, 120)
hslhsl(247, 47%, 32%)
oklchoklch(0.348 0.126 282.9)
Closest name: Deep Space Rodeo (#332277)Relative luminance 0.0381

Colors that go with #342b78

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 →

#6f782b

#2b4978 · #5b2b78

#78342b · #2b7834

Split-complementary

Open in tool →

#785b2b · #49782b

#782b49 · #6f782b · #2b785b

Contrast

#342b78 as textRatioAAAA largeAAAFix
Aaon white
11.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #7469c9 as the text (4.61:1)
  • AAA: use #978fd6 as the text (7.22:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #342b78 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

#342b78 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #342b78
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 #342b78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/342b78-a59cc4-dfaa4e-271f2d-e9ecf1?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