Color

#342b54

#342b54
hex#342b54
rgbrgb(52, 43, 84)
hslhsl(253, 32%, 25%)
oklchoklch(0.32 0.072 291.9)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.031

Colors that go with #342b54

Dark Olive Green, Sea Green and Slate 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 →

#4b542b

#2b3754 · #492b54

#54342b · #2b5434

Split-complementary

Open in tool →

#54492b · #37542b

#542b37 · #4b542b · #2b5449

Contrast

#342b54 as textRatioAAAA largeAAAFix
Aaon white
12.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #7a6bb3 as the text (4.58:1)
  • AAA: use #9c90c6 as the text (7.22:1)
  • AA: or shift the background to #999999 (4.55:1)
  • AAA: or shift the background to #bfbfbf (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 #342b54 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

#342b54 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #342b54
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 #342b54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/342b54-a99cc4-dfb84e-281f2d-e9ebf1?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