Color

#334366

#334366
hex#334366
rgbrgb(51, 67, 102)
hslhsl(221, 33%, 30%)
oklchoklch(0.386 0.063 264.9)
Closest name: Black Turmeric (#2c4364)Relative luminance 0.0568

Tints & shades

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

Harmonies

Complementary

Open in tool →

#665633

#335c66 · #3d3366

#663343 · #436633

Split-complementary

Open in tool →

#663d33 · #5c6633

#66335c · #665633 · #33663d

Contrast

#334366 as textRatioAAAA largeAAAFix
Aaon white
9.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #5c76ad as the text (4.65:1)
  • AAA: use #8295c0 as the text (7.01:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #334366 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

#334366 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #334366
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 #334366 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/334366-9ca4c4-df6b4e-211f2d-e9eff1?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