Color

#299399

#299399
hex#299399
rgbrgb(41, 147, 153)
hslhsl(183, 58%, 38%)
oklchoklch(0.608 0.093 200.6)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2364

Colors that go with #299399

Charcoal, Copper and Crimson 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.

Real palettes that use #299399

Tints & shades

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

Harmonies

Complementary

Open in tool →

#992e29

#299967 · #295b99

#992993 · #939929

Split-complementary

Open in tool →

#99295b · #996729

#672999 · #992e29 · #5b9929

Contrast

#299399 as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #238085 as the text (4.67:1)
  • AAA: use #1b6165 as the text (7.13:1)
  • AA: or shift the background to #1c1c1c (4.65:1)
Aaon black
5.73:1passpassfail
  • AAA: use #2ea7ad as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #299399 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

#299399 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #299399
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 #299399 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/299399-a2b9be-d4598e-1f262d-e9f1ee?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