Color

#343b60

#343b60
hex#343b60
rgbrgb(52, 59, 96)
hslhsl(230, 30%, 29%)
oklchoklch(0.364 0.065 274.6)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.047

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#605934

#345160 · #433460

#60343b · #3b6034

Split-complementary

Open in tool →

#604334 · #516034

#603451 · #605934 · #346043

Contrast

#343b60 as textRatioAAAA largeAAAFix
Aaon white
10.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #6772ad as the text (4.59:1)
  • AAA: use #8b94c1 as the text (7.1:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #343b60 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

#343b60 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #343b60
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #343b60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/343b60-9c9ec4-df814e-231f2d-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