Color

#336580

#336580
hex#336580
rgbrgb(51, 101, 128)
hslhsl(201, 43%, 35%)
oklchoklch(0.484 0.069 234.3)
Closest name: Atlantis (#336172)Relative luminance 0.1157

Colors that go with #336580

Charcoal, Royal Blue and Sienna 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 →

#804e33

#338074 · #333e80

#803365 · #658033

Split-complementary

Open in tool →

#80333e · #807433

#743380 · #804e33 · #3e8033

Contrast

#336580 as textRatioAAAA largeAAAFix
Aaon white
6.34:1passpassfail
  • AAA: use #2f5c75 as the text (7.22:1)
Aaon black
3.31:1failpassfail
  • AA: use #3f7c9d as the text (4.58:1)
  • AAA: use #5f9dbf as the text (7.06:1)
  • AA: or shift the background to #dbdbdb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #336580 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

#336580 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #336580
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 #336580 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/336580-9cb1c4-df4e62-1f222d-e9f1f0?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